If you can't impress them with your argument, impress them with your actions.
The most unlucky generation is the one which couldn't produce a hero to look upto.
When you are angry try your best to go to sleep, it keeps you away from speaking, writing and thinking while you are angry.
Ability, experience and books have solution for all the problems.
All my problems bow before my stubbornness.
Education makes your maths better, not necessarily your manners.