„Ich weiß, dass ich nicht weiß“.

“لا تُثَبِّط عزيمة أحد يحقق تقدما متواصلا وإن كان بطيئا”

“[T]hose who practice philosophy in the right way are in training for dying and …”

“To conquer oneself is the best and noblest victory; to be vanquished by one's o…”

“Do you desire to be wholly one; always day and night in one another's company? …”