To try to be safe everywhere is to be strong nowhere.

Solitary trees, if they grow at all, grow strong.

The whole history of the world is summed up in the fact that, when nations are strong, they are not always just, and when they wish to be just, they are no longer strong.

The will is stronger than anything else. Everything must go down before the will, for it comes from God. A pure and strong will is omnipotent.

The cheerful mind perseveres and the strong mind hews its way through a thousand difficulties.

Be strong! Don't talk of ghosts and devils.