I can, therefore I am.
If you think you can do it, you can.
Go for it now. The future is promised to no one.
Things do not happen. Things are made to happen.
After a storm comes a calm.
It's always too early to quit.
Know or listen to those who know.
Leap, and the net will appear.
Begin to be now what you will be hereafter.
Never complain and never explain.
Work hard, use your common sense and don't be afraid to trust your instincts.