To know that the Bible is the literature of a barbarous people, to know that it is uninspired, to be certain that the supernatural does not and cannot exist - all this is but the beginning of wisdom.

Secularism is a religion, a religion that is understood. It has no mysteries, no mumblings, no priests, no ceremonies, no falsehoods, no miracles, and no persecutions.

Religion can never reform mankind because religion is slavery.

Happiness is not a reward - it is a consequence. Suffering is not a punishment - it is a result.

Do you not know that every religion in the world has declared every other religion a fraud? Yes, we all know it. That is the time all religions tell the truth - each of the other.

Superstition is, always has been, and forever will be, the foe of progress, the enemy of education and the assassin of freedom.

The myth of hell represents all the meanness, all the revenge, all the selfishness, all the cruelty, all the hatred, all the infamy of which the heart of man is capable.

Happiness is the only good. The time to be happy is now. The place to be happy is here. The way to be happy is to make others so.

Give to every human being every right that you claim for yourself.

The intellectual advancement of man depends on how often he can exchange an old superstition for a new truth.

There can be but little liberty on earth while men worship a tyrant in heaven.

The more you talk about them, the more important they will feel. The more you listen to them, the more important you will make them feel.

Only people who're positive enough to have friends have enemies. When you're as glum and morose as he was, people just give up and go away.

The chief enemy of creativity is good sense.

Your Little Motivation Can Enlighten The Whole Dark Life Of An Embarrassing Person

A true friend freely, advises justly, assists readily, adventures boldly, takes all patiently, defends courageously, and continues a friend unchangeably.

If I had my life to live over again, I'd run barefoot, relax a bit more, I'd talk more to children, and I'd learn how they laugh.

To live fully, outwardly and inwardly, not to ignore the external reality for the sake of the inner life, or the reverse, that's quite a task

I don't want three million people digesting my private life over their cornflakes.

The organism cannot be regarded as simply the passive object of autonomous internal and external forces; it is also the subject of its own evolution.

This is not what I would have chosen. But I have a heart to be obedient.