We often refuse to accept an idea merely because the tone of voice in which it has been expressed is unsympathetic to us.

That which does not kill us makes us stronger.

the voice of beauty speaks softly; it creeps only into the most fully awakened souls

About sacrifice and the offering of sacrifices, sacrificial animals think quite differently from those who look on: but they have never been allowed to have their say.

Don't look at me in that tone of voice

Many a man fails as an original thinker simply because his memory is too good