I have wasted my hours.

A single and distinct luminous body causes stronger relief in the objects than a diffused light; as may be seen by comparing one side of a landscape illuminated by the sun, and one overshadowed by clouds, and illuminated only by the diffused light of the atmosphere.

I abhor the supreme folly of those who blame the disciples of nature in defiance of those masters who were themselves her pupils

Our life is made by the death of others.

It is ordained that to the ambitious, who derive no satisfaction from the gifts of life and the beauty of the world, life shall be a cause of suffering, and they shall possess neither the profit nor the beauty of the world.

Water is the driving force of all nature.

The knowledge of the past times and of the places of the earth is both an ornament and nutriment to the human mind.