The older one gets, the more one feels that the present must be enjoyed; it is a precious gift, comparable to a state of grace

Nothing in life is to be feared, it is only to be understood. Now is the time to understand more, so that we may fear less.

First principle: never to let one's self be beaten down by persons or by events.

Be less curious about people and more curious about ideas.

Nothing in this world is to be feared... only understood.

You cannot hope to build a better world without improving the individuals.

A scientist in his laboratory is not a mere technician: he is also a child confronting natural phenomena that impress him as though they were fairy tales.

I never see what has been done; I only see what remains to be done.

Each of us must work for his own improvement, and at the same time share a general responsibility for all humanity.

We must have perseverance and above all confidence in ourselves.

Life is not easy for any of us. But what of that? We must have perseverance and above all confidence in ourselves.

You think being dead inside is bad until someone brings you back to life and stabs you in the chest without the intention of killing you.

Every soldier thinks something of the moral aspects of what he is doing. But all war is immoral and if you let that bother you, you're not a good soldier.

But those musics do not address the larger kind of architecture in time that classical music does, whatever each one of us knows that classical music must mean.

True humility is not in the absence of confidence but strength restrained.

No man on earth is truly free, All are slaves of money or necessity. Public opinion or fear of prosecution forces each one, against his conscience, to conform.

There are no photographs while I'm reloading .

Sadder than the beggar is the man who eats alone in public.

Measures must always in a progressive society be held superior to men, who are after all imperfect instruments, working for their fulfilment.

The public! why, the public's nothing better than a great baby.

Greatness comes to those who develop a burning desire to achieve high goals.