The greatest enemy to human potential is your comfort zone

Fall down seven times, stand up eight.

Hard work beats talent when talent doesn't work hard.

The temptation to quit will be the greatest when you are about to succeed

The wise person knows that no answer is also an answer

You cannot start the next chapter of your life if you keep re-reading the last one.

Run in the morning before your body figures out what you're doing

A hero is no braver than an ordinary man, but he is braver five minutes longer.

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

Success can never happen without the journey (struggle).

A book a day keeps the stupidity away.

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Your limitation - its only your imagination.

Pure mathematics is in its way, the poetry of logical ideas.

You're not in competition with anyone but yourself. Outdo your past, not other people.