Perfectionism spells paralysis.

Success always demands a greater effort.

It is not given to princes, statesmen and captains to pierce the mysteries of the future, and even the most penetrating gaze reaches only conclusions which, however seemingly vindicated at a given moment, are inexorably effaced by time.

It is better to do something than to do nothing while waiting to do everything.

Those who serve supreme causes must not consider what they can get but what they can give.

Manifest destiny was on the march, and it was unfortunate that Mexico stood in the path.

Happy are the painters, for they shall not be lonely.