The first step in wisdom, as well as in morality, is to open the windows of the ego as wide as possible.

With the introduction of agriculture mankind entered upon a long period of meanness, misery, and madness, from which they are only now being freed by the beneficent operation of the machine.

My whole religion is this: do every duty, and expect no reward for it, either here or hereafter.

The objections to religion are of two sorts - intellectual and moral. The intellectual objection is that there is no reason to suppose any religion true; the moral objection is that religious precepts date from a time when men were more cruel than they are and therefore tend to perpetuate inhumanities which the moral conscience of the age would otherwise outgrow.

To acquire immunity to eloquence is of the utmost importance to the citizens of a democracy.

Love is something far more than desire for sexual intercourse; it is the principal means of escape from the loneliness which afflicts most men and women throughout the greater part of their lives.

If everything has a cause, then God must have a cause. If there can be anything without a cause, it may just be the world as God.