The sage is not ill, because he sees illness as illness.
To attain knowledge, add things every day To attain wisdom, remove things every day
If princes and kings were not exalted they might be overthrown.
Having reached a high level of realization (or having accomplished anything in life), don't get excited or puffed up with pride but remain calm, humble, and in "perfect equanimity" if you want to continue in this deep state of consciousness.
Racing through the field and hunting make the mind wild.
To know that you do not know is the best. To pretend to know when you do not know is a disease.