The greatest discovery of all time is that a person can change his future by merely changing his attitude.

Pray that your loneliness may spur you into finding something to live for, great enough to die for.

Only those who dare to fail greatly can ever achieve greatly.

The greatest way to live with honor in this world is to be what we pretend to be.

To be conscious that you are ignorant of the facts is a great step to knowledge.

Only passions, great passions can elevate the soul to great things.

There is no greater agony than bearing an untold story inside you.

My success was not based so much on any great intelligence but on great common sense.

A constant struggle, a ceaseless battle to bring success from inhospitable surroundings, is the price of all great achievements.

Many great actions are committed in small struggles.