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

Failure is NOT your destiny. Failure is the key to success.

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

There are no shortcuts to any place worth going.

Go as far as you can see, when you get there, you’ll be able to see further

Failure to prepare = preparing to fail

Shoot for the moon and even if you miss you’ll land among the stars/

Your attitude is everything. Pick a good one.

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

The journey of a thousand miles begins with one step. 

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

Time is your friend, impulse is your enemy.

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

I think, therefore I am.

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