Einstein got most of the things right about black holes. I'm not an expert, I must admit.
A cause may be inconvenient, but it's magnificent. It's like champagne or high heels, and one must be prepared to suffer for it.
Love and fear. Everything the father of a family says must inspire one or the other.
Voters must have faith in the electoral process for our democracy to succeed.
That's Tommy, this great producer who comes in contact with people and must have a mental library of personnel who are great for this and great for that, and he brought this whole group of musicians to the project that I'd never worked with before.
Leadership is a potent combination of strategy and character. But if you must be without one, be without the strategy.
To deliver vast new resources to humanity, we must pioneer and occupy the moon, Mars, and perhaps even beyond.
On big issues like war in Iraq, but in many other issues they simply must be multilateral. There's no other way around. You have the instances like the global warming convention, the Kyoto protocol, when the U.S. went its own way.
I don't have the will for singing but I must do it.
However, as our brave men and women continue to return from the battlefields of the War on Terror, Congress must respond by enacting policies that meet the evolving needs of the veterans community.
It must be borne in mind that the tragedy of life doesn't lie in not reaching your goal. The tragedy lies in having no goals to reach.
I believe that we must reach our brother, never toning down our fundamental oppositions, but meeting him when he asks to be met, with a reason for the faith that is in us, as well as with a loving sympathy for them as brothers.
Saving our planet, lifting people out of poverty, advancing economic growth... these are one and the same fight. We must connect the dots between climate change, water scarcity, energy shortages, global health, food security and women's empowerment. Solutions to one problem must be solutions for all.
Above all, you must fight conceit, envy, and every kind of ill-feeling in your heart.
First, I was opposed to gay marriage because it seemed like one more way that gays were wanting to assimilate. When I realized the Christian right was so opposed to it, as well as tyrannical governments in Africa and Russia, I thought, 'It must be a good thing to fight for.'
We need a reform of the Security Council. It must be perceived as truly representative by all the 191 member states, to uphold the credibility and legitimacy of the UN as the main political arena.
It is vital that the United States maintains open lines of communication with our allies. We must assure them of our commitment to eradicating global terrorism wherever it may reside or wherever it's given haven.
Music, I feel, must be emotional first and intellectual second.
Good leaders must communicate vision clearly, creatively, and continually. However, the vision doesn't come alive until the leader models it.
A poet must leave traces of his passage, not proof.
The justice of our cause must be reflected in the manner in which we rectify the crimes of the past.
We must act out passion before we can feel it.
The educator must above all understand how to wait; to reckon all effects in the light of the future, not of the present.
A great building must begin with the unmeasurable, must go through measurable means when it is being designed and in the end must be unmeasurable.
Anyone who thinks must think of the next war as they would of suicide.
If the shoe doesn't fit, must we change the foot?
Each must in virtue strive for to excel; That man lives twice that lives the first life well.
We must work to ensure that the Nevada Cancer Institute continues to receive the dollars necessary to make it a vibrant source of research and clinical assistance for cancer victims throughout the state of Nevada and the nation.
In order to be an immaculate member of a flock of sheep, one must above all be a sheep oneself.
Uncontrolled, the hunger and thirst after God may become an obstacle, cutting off the soul from what it desires. If a man would travel far along the mystic road, he must learn to desire God intensely but in stillness, passively and yet with all his heart and mind and strength.
Finally, strategy must have continuity. It can't be constantly reinvented.
Because to write, one must truly suffer.
Circumcision is obligatory for Jewish-born males - it must be performed on the eighth day after birth and is only postponed in the case of threat to the life or health of the child. Muslim parents also circumcise their male children.
To live in this world, you must be able to do three things: to love what is mortal; to hold it against your bones knowing your own life depends on it; and, when the time comes to let it go, to let it go.
Funding for women's healthcare must actually go to fund women's healthcare, not to line the coffers of an organization under increased scrutiny for reprehensible, inhumane behavior.
Princeton is no longer a thing for Princeton men to please themselves with. Princeton is a thing with which Princeton men must satisfy the country.