The man who makes everything that leads to happiness depends upon himself, and not upon other men, has adopted the very best plan for living happily. This is the man of moderation, the man of manly character and of wisdom.
Twice and thrice over, as they say, good is it to repeat and review what is good.
If one has made a mistake, and fails to correct it, one has made a greater mistake.
When the mind is thinking it is talking to itself.
Someday, in the distant future, our grand-children’ s grand-children will develop a new equivalent of our classrooms. They will spend many hours in front of boxes with fires glowing within. May they have the wisdom to know the difference between light and knowledge.
Any man may easily do harm, but not every man can do good to another.
The right question is usually more important than the right answer.
Democracy… is a charming form of government, full of variety and disorder; and dispensing a sort of equality to equals and unequals alike.
Knowledge without justice ought to be called cunning rather than wisdom.
Cunning… is but the low mimic of wisdom.
There must always remain something that is antagonistic to good.
Wisest is he who knows what he does not know.
Necessity… the mother of invention.
Attention to health is life’s greatest hindrance.