“I don't count my sit-ups. I only start counting when it starts hurting. When I feel pain, that's when I start counting because that's when it really counts.”

— Muhammad Ali, Boxer

”No problem can withstand the assault of sustained thinking.”

— Voltaire, Philosopher

“All that an obstacle does with brave men is, not to frighten them, but to challenge them.”

— Woodrow Wilson, President, I read this quote while watching the show "Alone" where 10 people have to survive in the wilderness alone as long as they can, last one standing, get $500k.

”Pressure makes diamonds.”

— Unknown, I heard this from my friend, Freddy Fonseca