The scientific discovery appears first as the hypothesis of an analogy; and science tends to become independent of the hypothesis.

He who truly believes that which prompts him to an action has looked upon the action to lust after it, he has committed it already in his heart.

To know all about anything is to know how to deal with it under all circumstances.

When an action is once done, it is right or wrong for ever; no accidental failure of its good or evil fruits can possibly alter that.

The scientific discovery appears first as the hypothesis of an analogy; and science tends to become independent of the hypothesis.

There is no scientific discoverer, no poet, no painter, no musician, who will not tell you that he found ready made his discovery or poem or picture — that it came to him from outside, and that he did not consciously create it from within.

If a belief is not realized immediately in open deeds, it is stored up for the guidance of the future.