If you don't know, the thing to do is not to get scared, but to learn.

i cannot be called upon to know a negative or to prove a negative. if there is a god and you prove it, that's fine. but you don't tell me you can't know that there isn't. i would say yes i know there isn't because i have been given no evidence.

My happiness is not the means to any end. It is the end. It is its own goal. It is its own purpose.

For centuries, the battle of morality was fought between those who claimed that your life belongs to God and those who claimed that it belongs to your neighbors - between those who preached that the good is self-sacrifice for the sake of ghosts in heaven and those who preached that the good is self-sacrifice for the sake of incompetents on earth. And no one came to say that your life belongs to you and that the good is to live it.

Ideas cannot be fought except by means of better ideas. The battle consists, not of opposing, but of exposing; not of denouncing, but of disproving; not of evading, but of boldly proclaiming a full, consistent, and radical alternative.

Reality confronts man with a great many musts, but all of them are conditional the formula of realistic necessity is You must, if and the if stands for man's choice

To love is to value. Only a rationally selfish man, a man of self esteem, is capable of love - because he is the only man capable of holding firm, consistent, uncompromising, unbetrayed value. The man who does not value himself, cannot value anything or anyone