2. Imagination is more important than knowledge. (American scientist Einstein. a.)

3. No one can take away all the knowledge; Investment knowledge, the best income. (Benjamin Franklin, American President)

4. A free man can obtain knowledge from many other sources besides books. (Thomas Jefferson, American President)

5. Most of my knowledge was acquired in this way: while looking for information, I accidentally found other information. (Franklin, American humorist. A.)