Nothing can so pierce the soul as the uttermost sigh of the body.

...science is nothing but developed perception, interpreted intent, common-sense rounded out and minutely articulated. It is therefore as much an instinctive product, as much a stepping forth of human courage in the dark, as is any inevitable dream or impulsive action.

Philosophy may describe unreasoning, as it may describe force; it cannot hope to refute them.

We must welcome the future, remembering that soon it will be the past; and we must respect the past, remembering that it was once all that was humanly possible.

Those who cannot remember the past are condemned to repeat it.

The idea of Christ is much older than Christianity.

Science is nothing but developed perception, interpreted intent, common sense rounded out and minutely articulated.