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

Fall down seven times, stand up eight.

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

You cannot escape the responsibility of tomorrow by evading it today

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

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

It is never too late to become what you might have been

Lose an hour in the morning and you will spend all day looking for it.

Shoot for the moon and even if you miss you’ll land among the stars/

Time is your friend, impulse is your enemy.

Failure to prepare = preparing to fail

It doesn’t matter where you start, it matters how you end

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

Success can never happen without the journey (struggle).

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