This sense of power is the highest and best of pleasures when the belief on which it is founded is a true belief, and has been fairly earned by investigation.

An atmosphere of beliefs and conceptions has been formed by the labours and struggles of our forefathers, which enables us to breathe amid the various and complex circumstances of our life.

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

We may always depend on it that algebra, which cannot be translated into good English and sound common sense, is bad algebra.

This sense of power is the highest and best of pleasures when the belief on which it is founded is a true belief, and has been fairly earned by investigation.

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

No simplicity of mind, no obscurity of station, can escape the universal duty of questioning all that we believe.