What one has wished for in youth, in old age one has in abundance.

And I have again observed, my dear friend, in this trifling affair, that misunderstandings and neglect occasion more mischief in the world than even malice and wickedness. At all events, the two latter are of less frequent occurrence.

The sum which two married people owe to one another defies calculation. It is an infinite debt, which can only be discharged through all eternity.

If you wish a wise answer, you must put a rational question.

Those who know nothing of foreign languages know nothing of their own.

One never goes so far as when one doesn't know where one is going.

Enthusiasm is of the greatest value, so long as we are not carried away by it.