Tough times never last, but tough people do.

Failure to prepare = preparing to fail

Life is full of opportunities. With every opportunity that is missed, another one is born.

If you fail, next time fail better.

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

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

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

The greatest enemy to human potential is your comfort zone

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. 

There is no talent here. There is hard work and obsession. You could be anyone if you put in the time.

Success is a journey, not a destination.

I can is 100 times more important than IQ.

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

Procrastination makes easy things hard and hard things harder.

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