Weak people talk and do not act, strong people act and keep quiet.

There exists in nature a force which is immeasurably more powerful than steam, and by means of which a single man, who knows how to adapt and direct it, might upset and alter the face of the world.

The Placer is an enemy who must necessarily become our lord or our slave; one doesn't enjoy if it's not defeated.

A good teacher must be able to put himself in the place of those who find learning hard.

Judge not; speak hardly at all; love and act.

All miracles are promised to faith, and what is faith except the audacity of will which does not hesitate in the darkness, but advances towards the light in spite of all ordeals, and surmounting all obstacles?

Passing beauties are only the fugitive reflections of the eternal. All beauty alters and all life melts away; in short, everything passes with marvelous rapidity; beautiful Helen of Troy has become a toothless skull, then a handful of dust, then nothing.