Tough times never last, but tough people do.

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

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

Everything you want is on the other side of fear

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

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

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

Failure to prepare = preparing to fail

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

Success is a journey, not a destination.

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

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.

Knowledge is of no value unless you put it into practice.

We learn more from failure than we do from success.

The bad news is time flies, the good new is that you're the pilot.