You will never know how sharp a sword is unless it's drawn from its sheath
What you do not wish upon yourself, extend not to others.
The wise find pleasure in water; the virtuous find pleasure in hills. The wise are active; the virtuous are tranquil. The wise are joyful; the virtuous are long-lived.
Study without reflection is a waste of time; reflection without study is dangerous.
Behind every smile there's teeth.
A gentleman wishes to be slow to speak and quick to act.