Adversity introduces a man to himself.

Science can only ascertain what is, but not what should be, and outside of its domain value judgements of all kinds remain necessary.

But without deeper reflection one knows from daily life that one exists for other people--first of all for those upon whose smiles and well-being our own happiness is wholly dependent, and then for the many, unknown to us, to whose destinies we are bound by the ties of sympathy.

There is, however, one other human right which is infrequently mentioned but which seems to be destined to become very important: this is the right, or the duty, of the individual to abstain from cooperating in activities which he considers wrong or pernicious.

The woman who follows the crowd will usually go no further than the crowd. The woman who walks alone is likely to find herself in places no one has ever been before.

To the Master's honor all must turn, each in its track, without a sound, forever tracing Newton's ground.

Compounding is the 8th wonder of the world.