We are led to think of diseases as isolated disturbances in a healthy body, not as the phases of certain periods of bodily development.

It is steadily forgotten that health is a diathesis as much as is scrofula or syphilis and that each of these is a mode of growth.

I am sick of diseases, I want to know origins and processes…If we are to prevent disease it is to the beginning of the chain of accumulating stresses that we must look.

Another source of fallacy is the vicious circle of illusions which consists on the one hand of believing what we see, and on the other in seeing what we believe.

Medicine, likewise, because it deals with things, has always been for our serener circles a Cinderella, blooming maid as happily as she has grown nevertheless.

The use of thesis-writing is to train the mind, or to prove that the mind has been trained; the former purpose is, I trust, promoted, the evidences of the latter are scanty and occasional.

In science, law is not a rule imposed from without, but an expression of an intrinsic process. The laws of the lawgiver are impotent beside the laws of human nature, as to his disillusion many a lawgiver has discovered.