Parents wonder why the streams are bitter, when they themselves have poisoned the fountain.

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

I have no idea. People who boast about their IQ are losers.

My specialty is detached malevolence.

Courage is grace under pressure.

I want to go ahead of Father Time with a scythe of my own.

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

When the student is ready, the teacher will appear.

A mediocre idea that generates enthusiasm will go further than a great idea that inspires no one.

I am not now That which I have been.

We need to keep hope alive and strive to do better.

I like to think of myself at home in the armchair, writing, smoking and occasionally wandering down the shop.

Purity of heart is to will one thing.

There is no limit to the amount of good you can do if you don't care who gets the credit.

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

If the world was perfect, it wouldn't be.

Keep things at arm's length... If you let anything come too near you want to hold on to it. And there is nothing a man can hold on to.

I hope I shall possess firmness and virtue enough to maintain what I consider the most enviable of all titles, the character of an honest man.

It is by no means an irrational fancy that, in a future existence, we shall look upon what we think our present existence, as a dream.

Tell me thy company, and I shall tell thee what thou art.

Pretty much, Apple and Dell are the only ones in this industry making money. They make it by being Wal-Mart. We make it by innovation.