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

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

Skills are built not born.

FAIL - First Attempt In Learning

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

The journey of a thousand miles begins with one step. 

Dreams don't work unless you do.

Don’t compare yourself to others. Compare yourself to the person you were yesterday.

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

Don't expect to be good at maths or understand things straight away. Be patient and persistent. Rome wasn't built in a day, but they worked on it every single day. 

If you want to succeed, double your failure rate.

I think, therefore I am.

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

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

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