Never complain and never explain.
Begin to be now what you will be hereafter.
It's always too early to quit.
You never know what motivates you.
By failing to prepare, you are preparing to fail.
If you've got a talent, protect it.
Well done is better than well said.
I can, therefore I am.
Always desire to learn something useful.
The wise does at once what the fool does at last.
There is a world of communication which is not dependent on words.
The communication is in the work and words are no substitute for this.