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

To think is easy. To act is difficult. To act as one thinks is the most difficult.

We are so constituted that we believe the most incredible things; and, once they are engraved upon the memory, woe to him who would endeavor to erase them.

Properly speaking, such work is never finished; one must declare it so when, according to time and circumstances, one has done one's best.

The use of a thing is only a part of its significance. To know anything thoroughly, to have the full command of it in all its appliances, we must study it on its own account, independently of any special application.

If I accept you as you are, I will make you worse; however, if I treat you as though you are what you are capable of becoming, I help you become that.

The people who are absent are the ideal; those who are present seem to be quite commonplace.