The duty of man is the same in respect to his own nature as in respect to the nature of all other things.

The sea is everything. It covers seven tenths of the terrestrial globe. Its breath is pure and healthy. It is an immense desert, where man is never lonely, for he feels life stirring on all sides.

The trouble ain't that there is too many fools, but that the lightning ain't distributed right.

当我停止相信自己能赢的那一天，就是我停止打网球的那一天。