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

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. 

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

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

Procrastination makes easy things hard and hard things harder.

Never underestimate the importance of small steps. small steps = big changes. 

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

There are no shortcuts to any place worth going.

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

You cannot escape the responsibility of tomorrow by evading it today

The greatest enemy to human potential is your comfort zone

The master has failed more times than the beginner has even tried

Time is your friend, impulse is your enemy.

Failure to prepare = preparing to fail

Fall down seven times, stand up eight.