Our belief at the beginning of a doubtful undertaking is the one thing that assures the successful outcome of any venture.

Individuality is founded in feeling

My first act of free will shall be to believe in free will.

In the deepest heart of all of us there is a corner in which the ultimate mystery of things works sadly.

The 'I think' which Kant said must be able to accompany all my objects, is the 'I breathe' which actually does accompany them.

Let anyone try, I will not say to arrest, but to notice or to attend to, the present moment of time. One of the most baffling experiences occurs. Where is it, this present? It has melted in our grasp, fled ere we could touch it, gone in the instant of becoming.

Science, like life, feeds on its own decay. New facts burst old rules; then newly divined conceptions bind old and new together into a reconciling law.