Life appears in a vast variety and innumerable succession of individual forms, since the most salient character of the universe is just that it ceaselessly gives birth to living individuals.

Science ... is organized common sense.

Life appears in a vast variety and innumerable succession of individual forms, since the most salient character of the universe is just that it ceaselessly gives birth to living individuals.

The only religion which seems to have a function in time of war is the tribal religion which invokes a God as the exclusive protector of the nation which calls upon him.

No generation can do another generation's work for it. What we human beings can do at most is to mark out the pathway a little clearer for the generations to come after, and put legible signboards at the points where the greatest dangers have threatened us, in the hope that our posterity will read, understand, and be warned.

The more serious poetry of the race has a philosophical structure of thought. It contains beliefs and conceptions in regard to the nature of man and the universe, God and the soul, fate and providence, suffering, evil and destiny. Great poetry always has, like the higher religion, a metaphysical content. It deals with the same august issues, experiences and conceptions as metaphysics or first philosophy.

A system of philosophy, or metaphysics, is a union of a world view and a life view in one harmonious, complete, integral conception. In so far as any man strives to attain, by rational inquiry, a consistent and comprehensive view of life and reality, he is a metaphysician.