What you do today can improve all your tomorrows.
Go for it now. The future is promised to no one.
Things do not happen. Things are made to happen.
Be gentle to all and stern with yourself.
Who seeks shall find.
If you think you can do it, you can.
Never complain and never explain.
The dog that trots about finds a bone.
Well done is better than well said.
Expect problems and eat them for breakfast.
The frontiers of knowledge in the various fields of our subject are expanding at such a rate that, work as hard as one can, one finds oneself further and further away from an understanding of the whole.