The boxer is not afraid of being knocked down, he is afraid of not being able to get up again.

Everything you want is on the other side of fear

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

It is never too late to turn an unproductive day into a productive one.

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

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

I can is 100 times more important than IQ.

99% of genius comes from hard work, the remaining 1% comes from innate talent

Hope might be a good breakfast, but it makes a very poor dinner

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

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

Skills are built not born.

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

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

We all make mistakes. What matters is how we choose to move forwards from them.