“Silence is a source of great strength.”

“I hated every minute of training, but I said, ‘Don’t quit. Suffer now and live the res...”

“The fear of death follows from the fear of life. A man who lives fully is prepared to die ...”

“Tough times don't last, tough people do”

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

“You have within you right now, everything you need to deal with whatever the world can throw at you”

“It’s you vs. you.”

“Happiness depends upon ourselves.”

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

“Unless someone like you cares a whole awful lot, nothing is going to get better. It's not.”

“Failure is not the opposite of success; it's part of success”

“Being realistic is the most commonly traveled road to mediocrity.”

“Every startup should address a real and demonstrated need in the world. If you build a sol...”