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.

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

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

Skills are built not born.

Procrastination is the thief of time and the enemy of success.

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

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

It always seems impossible until it's done.

Yesterday is history, tomorrow is a mystery, but today is a gift—that's why it's called 'the present

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.

Don’t hang your targets after you’re done shooting.

If you fail, next time fail better.

Your limitation - its only your imagination.

Start, struggle, fail, fix and learn. Repeat.