For no man can forbid the spark nor tell whence it may come.

I like, you may say, the glitter and colour that comes from the mouth, and I've always hoped in a sense to be able to paint the mouth like Monet painted a sunset.

The worst solitute is to be destitute of true friendship.

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.'

We must see whether the same clock with weights will go faster at the top of a mountain or at the bottom of a mine; it is probable, if the pull of the weights decreases on the mountain and increases in the mine, that the earth has real attraction.

He that will not apply new remedies, must expect new evils: for Time is the greatest innovator: and if Time, of course, alter things to the worse, and wisdom and counsel shall not alter them to the better, what shall be the end?.

The human understanding is moved by those things most which strike and enter the mind simultaneously and suddenly, and so fill the imagination; and then it feigns and supposes all other things to be somehow, though it cannot see how, similar to those few things by which it is surrounded.