The hardest thing to explain is the glaringly evident which everybody had decided not to see.

In order to fight any issue, it is necessary to fight for something, not merely against something.

The best, most natural dialogue is usually written as if the writer is listening to dictation. You might get stuck on any particular point and have to question yourself; but normally, dialogue writes itself.

You who prattle that morality is social and that man would need no morality on a desert island - it is on a desert island that he would need it most. Let him try to claim, when there are no victims to pay for it, that a rock is a house, that sand is clothing, that food will drop into his mouth without cause or effort, that he will collect a harvest tomorrow by devouring his stock seed today - and reality will wipe him out, as he deserves; reality will show him that life is a value to be bought and that thinking is the only coin noble enough to buy it.

To hold an unchanging youth is to reach at the end, the vision with which one started.

A free mind and a free market are corollaries.

Achievement of your happiness is the only moral purpose of your life, and that happiness, not pain or mindless self-indulgence, is the proof of your moral integrity, since it is the proof and the result of your loyalty to the achievement of your values.