Tomorrow is worth more than yesterday but less than today.

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

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

Nothing is impossible if you want it badly enough. Impossible = I'm possible.

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

Success is a journey, not a destination.

The bad news is time flies, the good new is that you're the pilot.

Don't fear failure, fear being in the same exact same place next year as you are now.

Focus on progress, not perfection. Practise a little bit every day - little and often  Slow and steady wins the race.

The wise person knows that no answer is also an answer

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. 

Fall down seven times, stand up eight.

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

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

There are no bad mistakes in maths, only discoveries.