There are few people who will make mistakes with fire after having once been burned.

There is not a man who does not get senile by the time he reaches sixty. And when one thinks that he will not be senile, he is already so.

In the eyes of mercy, no one should have hateful thoughts. Feel pity for the man who is even more at fault. The area and size of mercy is limitless.

When someone is giving you his opinion, you should receive it with deep gratitude even though it is worthless. If you don't, he will not tell you the things that he has seen and heard about you again.

To desire with one’s very soul every second of every day to accomplish one’s aim.

Having only wisdom and talent is the lowest tier of usefulness.

It is difficult for a fool's habits to change to selflessness.