Doubt can only be removed by action.

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.

By nature we have no defect that could not become a strength, no strength that could not become a defect.

Whatever is the lot of humankind I want to taste within my deepest self. I want to seize the highest and the lowest, to load its woe and bliss upon my breast, and thus expand my single self titanically and in the end go down with all the rest.

He who wishes to exert a useful influence must be careful to insult nothing. Let him not be troubled by what seems absurd, but concentrate his energies to the creation of what is good. He must not demolish, but build. He must raise temples where mankind may come and partake of the purest pleasure.

To like things like, whatever one may ail; There is certain help.

Instruction does much, but encouragement everything.