Don't fear failure, fear being in the same exact same place next year as you are now.

There is no elevator to success, you have to take the stairs.

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

Procrastination makes easy things hard and hard things harder.

Success is a journey, not a destination.

Fall down seven times, stand up eight.

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

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.

Hard work beats talent when talent doesn't work hard.

Everything you want is on the other side of fear

Dreams don't work unless you do.

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

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

Don't expect to be good at maths or understand things straight away. Be patient and persistent. The most powerful warriors are patience and time.