What delights us in visible beauty is the invisible.

To be satisfied with little is hard, to be satisfied with a lot is impossible.

Not every great man is a grand human being.

If there be a faith that can move mountains, it is faith in one's own power.

How happy are the pessimists! What joy is theirs when they have proved there is no joy.

Many priceless things can be bought.

Oh happy pessimists! What a joy it is to them to be able to prove again and again that there is no joy.