Comparison is the thief of all joy.

It is a brave thing to have courage to be an individual; it is also, perhaps, a lonely thing. But it is better than not being an individual, which is to be nobody at all.

Each time you learn something new you must readjust the whole framework of your knowledge

Life was meant to be lived.

Do not stop thinking of life as an adventure. You have no security unless you can live bravely, excitingly, imaginatively; unless you can choose a challenge instead of competence.

What we apparently have failed to grasp is that, in this new world in which we live, the collective hunger of great masses of people, wherever they may be, will affect our long-range welfare, just as though they were our own people.

The future is literally in our hands to mold as we like. But we cannot wait until tomorrow. Tomorrow is now.