It's better to be unhappy alone than unhappy with someone.

For a moment, nothing happened. Then, after a second or so, nothing continued to happen.

An original idea. That can't be too hard. The library must be full of them.

Memories warm you up from the inside. But they also tear you apart.

The only thing worse than being blind is having sight but no vision.

Most ballet teachers in the United States are terrible. If they were in medicine, everyone would be poisoned.

In the United States today, we have more than our share of the nattering nabobs of negativism.

I am one of those who think like Nobel, that humanity will draw more good than evil from new discoveries.

To the young people I say, you are a gift to your communities and indeed the world. You are our hope and our future.

After all, science is essentially international, and it is only through lack of the historical sense that national qualities have been attributed to it.

One must judge men not by their opinions, but by what their opinions have made of them.

They have formed their own 4-H club - the hopeless, hysterical hypochondriacs of history.

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 have a simple philosophy. Fill what's empty. Empty what's full. And scratch where it itches.

If you follow every dream, you might get lost.

It is a good rule in life never to apologize. The right sort of people do not want apologies, and the wrong sort take a mean advantage of them.

There is nothing to writing. All you do is sit down at a typewriter and bleed.

Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense.

We must find time to stop and thank the people who make a difference in our lives

Maybe you are searching among the branches, for what only appears in the roots.

Our greatest foes - and whom we must chiefly combat - are within.