The greater part of progress is the desire to progress.

We should have a bond of sympathy for all sentient beings, knowing that only the depraved and base take pleasure in the sight of blood and suffering.

Many discoveries are reserved for ages still to come . . . . Our universe is a sorry little affair unless it has in it something for every age to investigate.

What nature requires is obtainable, and within easy reach. It is for the superfluous we sweat.

Anger, if not restrained, is frequently more hurtful to us than the injury that provokes it.

A hated government does not long survive.

Who needs forgiveness, should the same extend with readiness.