Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

Failure to prepare = preparing to fail

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

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

You can hire a tutor but you can't hire someone to practice for you.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

99% of genius comes from hard work, the remaining 1% comes from innate talent

Don't expect to be good at maths or understand things straight away. Be patient and persistent. The most powerful warriors are patience and time.

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.

Be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

The greatest enemy to human potential is your comfort zone

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

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

The greatest mistake we make is living in constant fear that we will make one.