Don't ever give up what you want in life. The struggle is worth it.

You love only those who deserve it.

I do not think that tragedy is our natural fate and I do not live in chronic dread of disaster. It is no happiness, but suffering that I consider unnatural. It is not success, but calamity that I regard as the abnormal exception in Human Life.

In order to be in control of your life, you have to have a purpose-a productive purpose.

It is not fools that I seek to address.

It is too early to feel fear of the future when one is under 30, and too late after that. What I mean is that one must never allow fear to become one's permanent sense of life. The important thing is to prepare yourself intellectually to deal with whatever circumstances you may encounter, which requires that you define your values fully, clearly and rationally -- and never betray them.

We are on strike against martyrdom—and against the moral code that demands it. We are on strike against those who believe that one man must exist for the sake of another. We are on strike against the morality of cannibals, be it practiced in body or in spirit. We will not deal with men on any terms but ours—and our terms are a moral code which holds that man is an end in himself and not the means to any end of others.