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tibi

Ὁ δ' ἀνεξέταστος βίος οὐ βιωτὸς ἀνθρώπῳ -> The unexamined life is not worth living
Plato, Apology of Socrates 38a

Latin > English (Lewis & Short)

tĭbī̆: v. tu.

Latin > French (Gaffiot)

tĭbĭ et tĭbī, dat. de tu.