For morality life is a war, and the service of the highest is a sort of cosmic patriotism which also calls for volunteers.

The perfection of rottenness.

An educated memory depends on an organized system of associations; and its goodness depends on two of their peculiarities: first, on the persistency of the associations; and, second, on their number.

A man with no philosophy in him is the most inauspicious and unprofitable of all possible social mates.

No reception without reaction, no impression without correlative expression, -this is the great maxim which the teacher ought never to forget.

Philosophy lives in words, but truth and fact well up into our lives in ways that exceed verbal formulation. There is in the living act of perception always something that glimmers and twinkles and will not be caught, and for which reflection comes too late.

The most immutable barrier in nature is between one man's thoughts and another's.