Tough times never last, but tough people do.

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

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

1.00³⁶⁵=1 and 1.01³⁶⁵=37.7. Doing nothing at all versus small steps at a time. 

There are no bad mistakes in maths, only discoveries.

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

You cannot escape the responsibility of tomorrow by evading it today

I think, therefore I am.

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

You'll never change your life until you change something you do daily. The secret to success and change in found in your daily routine.

The journey of a thousand miles begins with one step. 

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

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

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

You can hire a tutor but you can't hire someone to practice for you.