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

I can is 100 times more important than IQ.

The greatest enemy to human potential is your comfort zone

The journey of a thousand miles begins with one step. 

Failure to prepare = preparing to fail

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

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

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

I think, therefore I am.

Knowledge is of no value unless you put it into practice.

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

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

"I" not them. Be the best version of you.

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

The greatest mistake we make is living in constant fear that we will make one.