Your limitation - its only your imagination.

Success is not final and failure is not fatal. It is the courage to continue that counts.

The journey of a thousand miles begins with one step. 

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

There are no bad mistakes in maths, only discoveries.

Tough times never last, but tough people do.

No one starts out on top. You have to work your way up.

There are no shortcuts to any place worth going.

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

Just stick with it, what seems hard now will one day be your warm up.

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

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.

Our fixed mindset builds our cage, fear keeps us in it.

Don't fear failure, fear being in the same exact same place next year as you are now.

The easiest person to deceive is yourself.