Instead of finding reasons why you can't, find reasons why you can.

A book a day keeps the stupidity away.

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

Success is the sum of small repeated efforts, day in and day out.

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

Work on your weaknesses until they are your strengths and work on your strengths until they are second nature.

I fear not the man who has practiced 10,000 kicks once, but I fear the man who has practiced one kick 10,000 times.

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

Success can never happen without the journey (struggle).

Your attitude is everything. Pick a good one.

If you fail, next time fail better.

The greatest enemy to human potential is your comfort zone

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

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

You can be shown the path, but only you can make the first step.