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

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

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

There are no bad mistakes in maths, only discoveries.

Everything you want is on the other side of fear

Tomorrow is worth more than yesterday but less than today.

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

Your attitude is everything. Pick a good one.

Do what you have always done and you will always be what you have always been

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. 

Mistakes have the power to turn you into something better than you were before.

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

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

Work ethic is important, because, unlike intelligence, athleticism, or charisma, or any natural attribute, it’s a choice.

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