Procrastination makes easy things hard and hard things harder.

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

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.

Hard work beats talent when talent doesn't work hard.

The greatest glory in loving lies not in never falling, but in rising every time we fall.

Hard work - a two way street where you get exactly what you put in.

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

The greatest enemy to human potential is your comfort zone

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

Fall down seven times, stand up eight.

Never underestimate the importance of small steps. small steps = big changes. 

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

Everything you want is on the other side of fear

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

Practice makes comfort. Expand your experiences regularly so every stretch won't feel like your first.