At 30 a man should know ...

At 30 a man should know himself like the palm of his hand, know the exact number of his defects and qualities, know how far he can go, foretell his failures - be what he is. And, above all, accept these things.
At 30 a man should know himself like the palm of his hand, know the exact number of his defects and qualities, know how far he can go, foretell his failures - be what he is. And, above all, accept these things.

Quotes from the same author

Blessed are the hearts that can bend; they shall never be broken.
Friendship often ends in love, but love in friendship - never.
Autumn is a second spring when every leaf is a flower.
You will never be happy if you continue to search for what happiness consists of. You will never live if you are looking for the meaning of life.
All men have a sweetness in their life. That is what helps them go on. It is towards that they turn when they feel too worn out.