Cut out doors and windows for the house. The holes make it useful.
Intelligent people know others. Enlightened people know themselves.
Movement overcomes cold.
The words of truth are always paradoxical.
A good person is the bad person's teacher. A bad person is the good person's task.
If princes and kings could follow it (Tao), all things would by themselves abide, Heaven and Earth would unite and sweet dew would fall. People would by themselves find harmony, without being commanded.