One of the aims of sexual union is procreation - the creation by reproduction of an image of itself, of the union.

I suspect that most of the individuals who have religious faith are content with blind faith. They feel no obligation to understand what they believe. They may even wish not to have their beliefs disturbed by thought.

Habits are formed by the repetition of particular acts. They are strengthened by an increase in the number of repeated acts. Habits are also weakened or broken, and contrary habits are formed by the repetition of contrary acts.

The love which moves the world, according to common Christian belief, is God's love and the love of God.

In the case of good books, the point is not to see how many of them you can get through, but how many can get through to you.

There is a strange fact about the human mind, a fact that differentiates the mind sharply from the body. The body is limited in ways that the mind is not. One sign of this is that the body does not continue indefinitely to grow in strength and develop in skill and grace. By the time most people are thirty years old, their bodies are as good as they will ever be; in fact, many persons' bodies have begun to deteriorate by that time. But there is no limit to the amount of growth and development that the mind can sustain. The mind does not stop growing at any particular age.

Emancipation of human labor from economic servitude and exploitation, i.e., from organizations of production in which the conditions of work are determined by a master class who own the means of production, and in which the fruits of work are alienated from workers to the benefit of masters.