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

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

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

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

Skills are built not born.

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

The master has failed more times than the beginner has even tried

I think, therefore I am.

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.

Everything you want is on the other side of fear

Tough times never last, but tough people do.

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

I can is 100 times more important than IQ.

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

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