Tsze-Kung asked, “Is there one word with which to act in accordance throughout a lifetime?” The Master said, “Is not reciprocity such a word? What you do not want done to yourself, do not do to others.
Even four harnessed horses cannot bring imprudent words back into the mouth.
To learn without thinking is labour in vain, to think without learning is desolation.
A man may not transgress the bounds of major morals, but may make errors in minor morals.
The superior man, when resting in safety, does not forget that danger may come.
The expectations of life depend upon diligence; the mechanic that would perfect his work must first sharpen his tools.