Example is the softest and least invidious way of commanding.

The most valuable discoveries have found their origin in the most trivial accidents.

Hope is the pillar that holds up the world. Hope is the dream of a waking man.

Compassion and shame come over one who considers how precarious is the origin of the proudest of living beings: often the smell of a lately extinguished lamp is enough to cause a miscarriage. And to think that from such a frail beginning a tyrant or butcher may be born! You who trust in your physical strength, who embrace the gifts of fortune and consider yourself not their ward but their son, you who have a domineering spirit, you who consider yourself a god as soon as success swells your breast, think how little could have destroyed you!

Human nature is fond of novelty.

His only fault is that he has no fault.

This only is certain, that there is nothing certain.