The stupid speak of the past, the wise of the present, and fools of the future.

All great events hang by a single thread. The clever man takes advantage of everything, neglects nothing that may give him some added opportunity; the less clever man, by neglecting one thing, sometimes misses everything.

When firmness is sufficient, rashness is unnecessary.

The truest wisdom is a resolute determination.

Impossible is a word to be found only in the dictionary of fools. Wise people create opportunities for themselves and make everything possible.

There are but two powers in the world, the sword and the mind. In the long run the sword is always beaten by the mind.