Riches are a good hand maiden, but a poor mistress.

If a man be gracious and courteous to strangers, it shows he is a citizen of the world.

Mahomet made the people believe that he would call a hill to him, and from the top of it offer up his prayers for the observers of his law. The people assembled: Mahomet called the hill to come to him again and again; and when the hill stood still, he was never a whit abashed, but said, 'If the hill will not come to Mahomet, Mahomet will go to the hill.'

Friendship maketh daylight in the understanding, out of darkness and confusion of thoughts.

For many parts of Nature can neither be invented with sufficient subtlety, nor demonstrated with sufficient perspicuity, nor accommodated unto use with sufficient dexterity, without the aid and intervening of the mathematics, of which sort are perspective, music, astronomy, cosmography, architecture, engineery, and divers others.

The desire of excessive power caused the angels to fall; the desire of knowledge caused men to fall.

Half of science is putting forth the right questions.