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

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

Tough times never last, but tough people do.

The master has failed more times than the beginner has even tried

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

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

Time is your friend, impulse is your enemy.

Your attitude is everything. Pick a good one.

Pure mathematics is in its way, the poetry of logical ideas.

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

Instead of finding reasons why you can't, find reasons why you can.

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

It is never too late to turn an unproductive day into a productive one.

Fall down seven times, stand up eight.

The journey of a thousand miles begins with one step.