Certainty? In this world nothing is certain but death and taxes.

Fear may come true that which one is afraid of.

There are two things children should get from their parents: roots and wings.

It is not fair to ask of others what you are not willing to do yourself.

I am not now That which I have been.

A man can do what he wants, but not want what he wants.

Boards don't hit back.

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

I do not argue with obstinate men. I act in spite of them.

Patriotism is usually stronger than class hatred, and always stronger than internationalism.

Give them pleasure. The same pleasure they have when they wake up from a nightmare.

I want to sing like the birds sing, not worrying about who hears or what they think.

The two offices of memory are collection and distribution.

The cloud is free only to go with the wind. The rain is free only in falling.

Anyone who attempts to generate random numbers by deterministic means is, of course, living in a state of sin.

No one can make you feel inferior without your consent.

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

Until we're educating every kid in a fantastic way, until every inner city is cleaned up, there is no shortage of things to do.

Like religion, politics, and family planning, cereal is not a topic to be brought up in public. It's too controversial.

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

Christmas to a child is the first terrible proof that to travel hopefully is better than to arrive.