Only the stupid and the phlegmatic should teach. — Willa Cather
Phlegmatic natures can be inspired to enthusiasm only by being made into fanatics. — Friedrich Nietzsche
There's no point in arguing with partisan supporters. Their views are their identity. Nothing you can tell the most phlegmatic follower. — Michael Lewis
Deliver me from your cold, phlegmatic preachers, politicians, friends, lovers and husbands. — Abigail Adams