The value of a principle is the number of things it will explain; and there is no good theory of disease which does not at once suggest a cure.
The disease with which the human mind now labors is want of faith
The poisons are our principal medicines, which kill the disease and save the life.
We are a puny and fickle folk. Avarice, hesitation, and following are our diseases.
As every man is hunted by his own daemon, vexed by his own disease, this checks all his activity.
There is no good theory of disease which does not at once suggest a cure.