I don't need to know everything, I just need to know where to find it, when I need it

As far as the laws of mathematics refer to reality, they are not certain, and as far as they are certain, they do not refer to reality.

We are part of the whole which we call the universe, but it is an optical delusion of our mind that we think we are separate. This separateness is like a prison for us. Our job is to widen the circle of our compassion so we feel connected with all people and situations.

A ship is always safe at the shore - but that is NOT what it is built for.

Personally, I experience the greatest degree of pleasure in having contact with works of art. They furnish me with happy feelings of an intensity that I cannot derive from other sources.

America is today the hope of all honorable men who respect the rights of their fellow men and who believe in the principle of freedom and justice.

It must be conceded that a theory has an important advantage if its basic concepts and fundamental hypotheses are 'close to experience,' and greater confidence in such a theory is certainly justified. There is less danger of going completely astray, particularly since it takes so much less time and effort to disprove such theories by experience. Yet more and more, as the depth of our knowledge increases, we must give up this advantage in our quest for logical simplicity in the foundations of physical theory.