Be gentle to all and stern with yourself.
You never know what motivates you.
If you've got a talent, protect it.
Problems are not stop signs, they are guidelines.
Be kind whenever possible. It is always possible.
Do not weep do not wax indignant. Understand.
The dog that trots about finds a bone.
The most effective way to do it, is to do it.
Either you run the day or the day runs you.
By failing to prepare, you are preparing to fail.
Ethical religion can be real only to those who are engaged in ceaseless efforts at moral improvement. By moving upward we acquire faith in an upward movement, without limit.
The office of the public teacher is an unenviable and thankless one.