2. Real knowledge makes people really better than others.
Knowledge is the best honor for young people, the greatest comfort for the elderly, the most precious property for the poor and the most precious ornament for the rich.
4. Knowledge is the best food for old age-Aristotle.
5. When we are old, knowledge will be a comfortable and necessary place for us to retire; If we don't plant the tree of knowledge when we are young, there will be no place to enjoy the cool when we are old-chesterfield.
6. Except knowledge and learning, no other power in the world can establish rule and authority in people's minds and minds, and in people's thoughts, imaginations, opinions and beliefs-Bacon.
7. Integrity without knowledge is weak and useless; Knowledge without integrity is dangerous and terrible-Sai. Johnson.