| Look deep into nature, and then you will understand everything better. |
| A person who never made a mistake never tried anything new. |
| Any fool can know. The point is to understand. |
| Strive not to be a success, but rather to be of value. |
| If you want to live a happy life, tie it to a goal, not to people or things. |
| Everyone should be respected as an individual, but no one idolized. |
| I never think of the future - it comes soon enough. |
| It is the supreme art of the teacher to awaken joy in creative expression and knowledge. |
| A person who never made a mistake never tried anything new. |
| Intellectual growth should commence at birth and cease only at death. |
