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

It is never too late to turn an unproductive day into a productive one.

Time is your friend, impulse is your enemy.

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. 

You can hire a tutor but you can't hire someone to practice for you.

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.

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

He who has begun his task is half-way done. Have the courage to begin!

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

Instead of finding reasons why you can't, find reasons why you can.

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

Work like you don't need the money, dance like nobody's watching and love like you've never been hurt. 

Tomorrow is worth more than yesterday but less than today.

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

Success can never happen without the journey (struggle).