I would rather train someone and lose them, than not train them and keep them
You'll never see a happy ungrateful person.
Some of us learn from other peopleโs mistakes and the rest of us have to be other people.
You do not pay the price of success, you enjoy the price of success.
If you will be hard on yourself, life will be easy on you. But if you insist upon being easy on yourself, life is going to be very hard on you.
A positive attitude will have positive results because attitudes are contagious.