There are three wants which never can be satisfied: that of the rich, who wants something more; that of the sick, who wants something different; and that of the traveler, who says anywhere but here.
The physician himself, if sick, actually calls in another physician, knowing that he cannot reason correctly if required to judge his own condition while suffering.
A nation usually renews its youth on a political sick-bed, and there finds again the spirit which it had gradually lost in seeking and maintaining power.
The cabinets of the sick and the closets of the dead have been ransacked to publish private letters and divulge to all mankind the most secret sentiments of friendship.
There are five things which no one is able to accomplish in this world: first, to cease growing old when he is growing old; second, to cease being sick; third, to cease dying; fourth, to deny dissolution when there is dissolution; fifth, to deny non-being.
But Christianity is an invention of sick brains: one could imagine nothing more senseless, nor any more indecent way of turning the idea of the Godhead into a mockery.
The true Christian is one who is kind of sick of this world. If I find anybody who is settled down too snugly into this world, I am made to doubt whether he's ever truly been born again