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

There are no bad mistakes in maths, only discoveries.

Everything you want is on the other side of fear

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

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 be afraid to work hard and find out how good you can really be.

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

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

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

Do Not Be Afraid To Make Mistakes. Each mistake teaches us something.

The wise person knows that no answer is also an answer

You can pick up a mistake and carry it as a burden,  or you can set it down as use it as a stepping stone to greatness.

I had no time is no excuse. 1 hour is 4% of your day and 1 minute is 0.34 % of your day.

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

A book a day keeps the stupidity away.