It's always too early to quit.
To know oneself, one should assert oneself.
Well done is better than well said.
Never complain and never explain.
The wise does at once what the fool does at last.
I can, therefore I am.
The most effective way to do it, is to do it.
By failing to prepare, you are preparing to fail.
Problems are not stop signs, they are guidelines.
If you think you can do it, you can.
What is the recipe for successful achievement? To my mind there are just four essential ingredients: Choose a career you love, give it the best there is in you, seize your opportunities, and be a member of the team.