Each one's destiny cannot be altered.
A man who knows he is a fool is not a great fool.
Standards are different for all things, so the standard set by man is by no means the only 'certain' standard. If you mistake what is relative for something certain, you have strayed far from the ultimate truth.
The tao is made because we walk it,things become what they are called.
The space under the sky is occupied by all things in their unity.
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.