The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

Time is your friend, impulse is your enemy.

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

Dreams don't work unless you do.

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

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

Procrastination makes easy things hard and hard things harder.

I can is 100 times more important than IQ.

I have not failed, I've just found 10,000 ways that won't work.

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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

The journey of a thousand miles begins with one step. 

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

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

Everything you want is on the other side of fear