You cannot win without sacrifice.

All high truth is poetry. Take the results of science: they glow with beauty, cold and hard as are the methods of reaching them.

The longer I live, the more deeply am I convinced that that which makes the difference between one person and another-between the weak and the powerful, the great and the insignificant-is energy-invisible determination.

In life, as in Chess, ones own Pawns block ones way. A mans very wealth, ease, leisure, children, books, which should help him to win, more often checkmate him

You have not fulfilled every duty unless you have fulfilled that of being pleasant.

To make pleasures pleasant shorten them.

Success soon palls. The joyous time is when the breeze first strikes your sails, and the waters rustle under your bows.