Problems are not stop signs, they are guidelines.
By failing to prepare, you are preparing to fail.
Leap, and the net will appear.
Know or listen to those who know.
Who seeks shall find.
Never complain and never explain.
You never know what motivates you.
Well done is better than well said.
Be thine own palace, or the world's thy jail.
If you can dream it, you can do it.
That is a secondary teacher conception - the writer as an observer.