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

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

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

You cannot escape the responsibility of tomorrow by evading it today

There are no bad mistakes in maths, only discoveries.

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

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

I think, therefore I am.

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

No one starts out on top. You have to work your way up.

Lose an hour in the morning and you will spend all day looking for it.

There are no shortcuts to any place worth going.

99% of failures come from people who have the habit of making excuses.

We learn more from failure than we do from success.

Procrastination is the thief of time and the enemy of success.