Old men are prone to invest the futures of young men with their own past sorrows.

For avarice begins where poverty ends.

Marriage must perforce fight against the all-devouring monster of habit.

Unintelligent persons are like weeds that thrive in good ground; they love to be amused in proportion to the degree in which they weary themselves.

The great secret of social alchemy is to profit best from each stage in our lives, to gather all its leaves in spring, all its flowers in summer, and all its fruits in autumn.

A monster which devours everything - that is familiarity.

Isn't it really quite extraordinary to see that, since man took his first step, no one has asked himself why he walks, how he walks, if he has ever walked, if he could walk better, what he achieves in walking .. questions that are tied to all the philosophical, psychological, and political systems which preoccupy the world.