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

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

Time is your friend, impulse is your enemy.

We learn more from failure than we do from success.

There are no shortcuts to any place worth going.

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

Tough times never last, but tough people do.

We all make mistakes. What matters is how we choose to move forwards from them.

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.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

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

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

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

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