Be kind whenever possible. It is always possible.
The most effective way to do it, is to do it.
The dog that trots about finds a bone.
Never complain and never explain.
Well done is better than well said.
I can, therefore I am.
You never know what motivates you.
Do not weep do not wax indignant. Understand.
Be thine own palace, or the world's thy jail.
Know or listen to those who know.
Many who have had an opportunity of knowing any more about mathematics confuse it with arithmetic, and consider it an arid science. In reality, however, it is a science which requires a great amount of imagination.