It is never too late to become what you might have been

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

Everything that happens was once a dream.

You can have results or excuses, not both

Life is full of opportunities. With every opportunity that is missed, another one is born.

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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

You cannot escape the responsibility of tomorrow by evading it today

Whenever you find yourself doubting how far you can go, just remember how far you have come.

Hope might be a good breakfast, but it makes a very poor dinner

Success can never happen without the journey (struggle).

Never underestimate the importance of small steps. small steps = big changes. 

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

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