He who is in love with himself has at least this advantage - he won't encounter many rivals.

Deliberate virtue is never worth much: The virtue of feeling or habit is the thing.

Doubt everything at least once, even the sentence "Two times two is four."

The human tendency to regard little things as important has produced very many great things.

As the few adepts in such things well know, universal morality is to be found in little everyday penny-events just as much as in great ones. There is so much goodness and ingenuity in a raindrop that an apothecary wouldn't let it go for less than half-a-crown.

Sickness is mankind's greatest defect.

What I do not like about our definitions of genius is that there is in them nothing of the day of judgment, nothing of resounding through eternity and nothing of the footsteps of the Almighty.