There are no bad mistakes in maths, only discoveries.

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

I think, therefore I am.

I can is 100 times more important than IQ.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

Failure to prepare = preparing to fail

Success is the sum of small repeated efforts, day in and day out.

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

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

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

We all have two lives. The second begins when we realise we only have one. 

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

Each day is an opportunity to improve. Aim to be that little bit better than yesterday and better tomorrow than today.

The gift of imperfection - let go of who you think you're supposed to be and embrace who you are.

The easiest person to deceive is yourself.