Nothing is impossible if you want it badly enough. Impossible = I'm possible.

Don’t practice until you get it right, practice until you can’t get it wrong.

Instead of finding reasons why you can't, find reasons why you can.

Mathematics Is not a spectator sport. The only way to learn mathematics is to do mathematics.

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

We learn more from failure than we do from success.

Don't put off until tomorrow what you can do today. If today you have no time, it means tomorrow you'll be too tired and the next day you'll be something else.

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

Never let a dark chapter make you forget that better days are ahead of you. Your story is far from over.

I have not failed, I've just found 10,000 ways that won't work.

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

There are no shortcuts to any place worth going.

Twenty years from now you will be more disappointed by the things you didn’t do than the things you did do

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

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