Φίλους ἔχων νόμιζε θησαυροὺς ἔχειν → Tibi si est amicus, esse thesaurum puta → Mit Freunden, glaub es nur, besitzt du einen Schatz
supposition: P. ὑπόθεσις, ἡ.
theory as opposed to practice: P. γνῶσις, ἡ (Plato, Politicus 259E).
science: P. and V. ἐπιστήμη, ἡ.