The journey of a thousand miles begins with one step.

Everything you want is on the other side of fear

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

Procrastination makes easy things hard and hard things harder.

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.

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

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

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.

Whenever you find yourself doubting how far you can go, just remember how far you have come.

Knowledge is of no value unless you put it into practice.

Don't be afraid to take an unfamiliar path.  Sometimes they're the ones that lead you to the best places.

The road to success is like a staircase. If you want to succeed, double your failure rate

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

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