I think, therefore I am.

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

Run in the morning before your body figures out what you're doing

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

I can is 100 times more important than IQ.

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

Failure to prepare = preparing to fail

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

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.

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

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

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

Tough times never last, but tough people do.

Time is your friend, impulse is your enemy.

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