Experiments are mediators between nature and idea.

Always to distrust is an error, as well as always to trust.

Music is so elevated that it is beyond the reach of intellect and there flows from it an influence which is all-potent, and which noone can explain.

The Woman-Soul leadeth us upward and on!

If society gives up the right to impose the death penalty, then self-help will appear again and personal vendettas will be around the corner.

Hypotheses are the scaffolds which are erected in front of a building and removedd when the building is completed. They are indispensable to the worker; but the worker must not mistake the scaffolding for the building.

All theory, my friend, is grey, But green is life's glad golden tree.