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.

There is no elevator to success, you have to take the stairs.

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

I can is 100 times more important than IQ.

Just stick with it, what seems hard now will one day be your warm up.

If you want to succeed, double your failure rate.

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

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

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

No matter how bad it gets, you’re still way ahead of those who haven’t even started.

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

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

The road to success is like a staircase. If you want to succeed, double your failure rate

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

If you can understand just one thing thoroughly, then you will understand everything.