"Superstition is the poison of the mind"

"What is food to one man is bitter poison to others"

"I believe that pluralistic secularism, in the long run, is a more deadly poison than straightforward persecution"

"I think that testosterone is a rare poison"

"Glory is a heavy burden, a murdering poison, and to bear it is an art. And to have that art is rare"

"The moment an ill can be patiently handled, it is disarmed of its poison, though not of its pain"

"Belladonna, n.: In Italian a beautiful lady; in English a deadly poison. A striking example of the essential identity of the two tongues"

"Politics are very much like war. We may even have to use poison gas at times"

"Every time you get angry, you poison your own system"

"Human brutes, like other beasts, find snares and poison in the provision of life, and are allured by their appetites to their destruction"

"A bad book is the worse that it cannot repent. It has not been the devil's policy to keep the masses of mankind in ignorance; but finding that they will read, he is doing all in his power to poison their books"