1. Smart people are not always smart. -Emerson

2. A wise man is willing to give up money to save his life. -Aesop

3. If you are smart, you will know your ignorance; If you don't know this, you are ignorant. -Lu Ling

4. If a wise man does a stupid thing, it won't be a small stupid thing. -Goethe

5. A wise man often learns something from everything, because the talent he gets is the essence he draws from everything. -Ruskin

6. Wise men and fools are harmless, but the most dangerous thing is that they are both wise and stupid. -Goethe

7. There are three characteristics of a wise man: one is to do what others are advised to do, the other is never to do anything that goes against nature, and the third is to tolerate the weaknesses of people around him. -lev tolstoy