κάλλιστον τὸ δικαιότατον, λῷστον δ' ὑγιαίνειν → nothing is more beautiful than being just, but nothing is more pleasant than being healthy | Most beautiful is what is most just; the best thing is to be healthy.
supposition: P. ὑπόθεσις, ἡ.
theory as opposed to practice: P. γνῶσις, ἡ (Plato, Politicus 259E).
science: P. and V. ἐπιστήμη, ἡ.