| If you wish to know the mind of a man, listen to his words. |
| Clear conscience never fears midnight knocking. |
| The superior doctor prevents sickness; The mediocre doctor attends to impending sickness; The inferior doctor treats actual sickness. |
| Learning is a treasure that will follow its owner everywhere. |
| If we do not change our direction, we are likely to end up where we are headed. |
| A man should choose a friend who is better than himself. There are plenty of acquaintances in the world; but very few real friends. |
| I hear and I forget, I see and I remember. I do and I understand. |
| Be not afraid of going slowly, be afraid only of standing still. |
| Teachers open the door but you must walk through it yourself. Send quote to a friend. |
| A gem cannot be polished without friction, nor a man perfected without trials. |
