Every head should be cultivated.

The power of hope upon human exertion, and happiness, is wonderful.

History has proven that those who dare to imagine the impossible are the ones who break all human limitations.

A capacity, and taste, for reading, gives access to whatever has already been discovered by others. It is the key, or one of the keys, to the already solved problems.

I am not ashamed to confess that twenty five years ago I was a hired laborer, mauling rails, at work on a flat-boat - just what might happen to any poor man's son.

Ere long the most valuable of all arts will be the art of deriving a comfortable subsistence from the smallest area of soil.