Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

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

Skills are built not born.

Try and do one thing each day that you would really rather not do.

Procrastination is the thief of time and the enemy of success.

Tomorrow is worth more than yesterday but less than today.

I can is 100 times more important than IQ.

I have not failed, I've just found 10,000 ways that won't work.

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

Don’t confuse your path with your destination. Just because its stormy now doesn’t mean you are headed for failure.

Success is a journey, not a destination.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

Good mathematics is not about how many answers you know... It is about how you behave when you don't know.

Tough times never last, but tough people do.

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