Meaning of the phrase
Diligentia quam in rebus suis
A Roman-law principle requiring a person to exercise the same care in another’s affairs as in one’s own.
In modern legal practice, it reflects good faith, due care and reasonable prudence.
Diligentia Quam in Rebus Suis
“The same care that one shows in one’s own affairs”
Motto
The expression Diligentia quam in rebus suis was chosen as a motto by Andrey Andreyevich Makarenkov.