If you would make a man happy, do not add to his possessions
but subtract from the sum of his desires.

Worry gives a small thing a big shadow. Worry is like a rocking chair. It will give you something to do, but it won't get you anywhere.

Average people look for ways of getting away with it;
successful people look for ways of getting on with it.

Take the word "fail" out of your vocabulary.
You don't "fail". You've "tried your best".