Problems are not stop signs, they are guidelines.
Begin to be now what you will be hereafter.
Quality is not an act, it is a habit.
What you do today can improve all your tomorrows.
I can, therefore I am.
By failing to prepare, you are preparing to fail.
It's always too early to quit.
Never complain and never explain.
Only the educated are free.
Well done is better than well said.
I have taught history on the high school and college levels, and am or have been a lecturer at the Smithsonian, The National Institutes of Health, and numerous colleges and universities, mostly on science fiction and technology subjects.