It's always too early to quit.
Things do not happen. Things are made to happen.
Expect problems and eat them for breakfast.
Problems are not stop signs, they are guidelines.
Always desire to learn something useful.
You never know what motivates you.
Well done is better than well said.
To know oneself, one should assert oneself.
I can, therefore I am.
The wise does at once what the fool does at last.
Poor, darling fellow - he died of food. He was killed by the dinner table.