The dog that trots about finds a bone.
It's always too early to quit.
Quality is not an act, it is a habit.
What you do today can improve all your tomorrows.
I can, therefore I am.
Be kind whenever possible. It is always possible.
You never know what motivates you.
To be a good loser is to learn how to win.
Always desire to learn something useful.
Begin to be now what you will be hereafter.
Soon I knew the craft of experimental physics was beyond me - it was the sublime quality of patience - patience in accumulating data, patience with recalcitrant equipment - which I sadly lacked.