Time is your friend, impulse is your enemy.

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

Tough times never last, but tough people do.

The greatest mistake we make is living in constant fear that we will make one.

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

Just stick with it, what seems hard now will one day be your warm up.

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

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

Everything you want is on the other side of fear

We learn more from failure than we do from success.

The journey of a thousand miles begins with one step. 

I can is 100 times more important than IQ.

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

We all have two lives. The second begins when we realise we only have one. 

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