σιγή ποτ' ἐστὶν αἱρετωτέρα λόγου → sometimes silence is preferable to words (Menander)
subs.
P. and V. σύννοια, ἡ, ἐνθύμησις, η (Eur., Frag.), φροντίς, ἡ (rare P.), P. ἔννοια, ἡ. P. θεωρία, ἡ.