"The only thing certain is nothing is certain."

“Age imprints more wrinkles in the mind than it does on the face.”

“A wise man never loses anything if he has himself.”

“To know how to live is my trade and my art”

“It is not death that alarms me, but dying.”

“The old that is strong does not wither, deep roots are not reached by the frost”

“Fear is just another word for ignorance”

“When everything seems to be going against you, remember that the airplane takes off agains...”

“Those who dare to fail miserably can achieve greatly.”

“Friends congratulate me after a quarterly-earnings announcement and say, 'Good job, great ...”

“Victorious warriors win first and then go to war, while defeated warriors go to war first ...”

“If you're watching your competitors, you're unlikely to invent a bunch of stuff on your own.”

“The more you confront the uncomfortable, the more you will become comfortable with it”

“You've got enemies? Good. That means you actually stood up for something in your life.”

“Life is too short, or too long, for me to allow myself the luxury of living it so badly.”

“No one can continually insult you or hurt your feelings without your permission.”

“The men I idolized built their bodies and became somebody – like Sylvester Stallone and ...”