Who seeks shall find.
Do not weep do not wax indignant. Understand.
To know oneself, one should assert oneself.
Always desire to learn something useful.
Be gentle to all and stern with yourself.
Expect problems and eat them for breakfast.
It's always too early to quit.
You never know what motivates you.
Problems are not stop signs, they are guidelines.
Know or listen to those who know.
That is a secondary teacher conception - the writer as an observer.