“The development of knowledge is a continual restructuring that leads towards new types of equilibrium”

“A life spent making mistakes is not only more honorable, but more useful than a life spent...”

“Your attitude, not your aptitude, will determine your altitude ”

“Your ability to communicate is an important tool in your pursuit of your goals, whether it...”

“In the heat of battle when every muscle screams to give up, discipline is what separates t...”

“Happiness can be found, even in the darkest of times, if one only remembers to turn on the light”

“We are all in the gutter, but some of us are looking at the stars.”

“Tomorrow is promised to no one”

“Men are Moved by two levers only: fear and self interest.”

“You have power over your mind—not outside events. Realize this, and you will find strength ”

“The minute you learn to love yourself, you won't want to be anyone else”

“Happiness depends upon ourselves.”

“If you’re brave enough to say goodbye, life will reward you with a new hello.”