A battering ram can knock down a city wall, but it cannot stop a hole. Different things have different uses.

If there is existence, there must be non-existence. And if there was a time when nothing existed, there must have been a time before that - when even nothing did not exist. Suddenly, when nothing came into existence, could one really say whether it belonged to the category of existence or non-existence?

The saying goes, 'The sage rests, truly rests and is at ease.' This manifests itself in calmness and detachment, so that worries and distress cannot affect him, nothing unpleasant can disturb him, his Virtue is complete and his spirit is not stirred up.

The Way is to man as rivers and lakes are to fish, the natural condition of life.

To use what has a boundary to pursue what is limitless is dangerous; with this knowledge, if we still go after knowledge, we will run into trouble. Do not do what is good in order to gain praise. If you do what is bad be sure to avoid the punishment. Follow the Middle Course, for this is the way to keep yourself together, to sustain your life, to care for your parents and to live for many years.

True men" ... are strong willed, have dignity in their demeanor, serenity in their expression. They are cool like autumn, warm like spring. Their passions arise like the four seasons, in harmony with the ten thousand creatures, and no one knows their limits.

When people do not ignore what they should ignore, but ignore what they should not ignore, this is known as ignorance.