Correct
以小人之心，度君子之腹
/ yǐ xiǎorén zhī xīn, dù jūnzǐ zhī fù /
Strokes
Definition
to gauge the heart of a gentleman with one's own mean measure (idiom)
Example
Definition
gauge the heart of a gentleman with one's own mean measure; measure the mind of an upright man by the yardstick of a knave