It is in the half fools and the half wise that the greatest danger lies.

The miller believes that all the wheat grows so that his mill keeps running.

The really unhappy person is the one who leaves undone what they can do, and starts doing what they don't understand; no wonder they come to grief.

If you want to reach the infinite, then explore every aspect of the finite.

There are men who never err, because they never propose anything rational.

The intelligent man finds almost everything ridiculous, the sensible man hardly anything.

It is sometimes essential for a husband and a wife to quarrel - they get to know each other better.