Success is not final and failure is not fatal. It is the courage to continue that counts.

I think, therefore I am.

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.

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

Failure to prepare = preparing to fail

Whenever you find yourself doubting how far you can go, just remember how far you have come.

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

If you can understand just one thing thoroughly, then you will understand everything.

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

Tomorrow is worth more than yesterday but less than today.

Time is your friend, impulse is your enemy.

You cannot start the next chapter of your life if you keep re-reading the last one.

I can is 100 times more important than IQ.

Success is a journey, not a destination.

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