I can, therefore I am.
Never complain and never explain.
Without hard work, nothing grows but weeds.
Be thine own palace, or the world's thy jail.
Begin to be now what you will be hereafter.
If you're going through hell, keep going.
You never know what motivates you.
Problems are not stop signs, they are guidelines.
By failing to prepare, you are preparing to fail.
Know or listen to those who know.
There's always a learning curve, where you've got to learn what your subject is all about.