The physiologist took a bottle containing some chemical, and dropped a single drop into the water, and instantly all these little black creatures, which had been darting aimlessly in every direction through the water, turned and swam all in one direction, toward the light.
"The Book of Life: Vol. I Mind and Body; Vol. II Love and Society"
Upton Sinclair
I know a certain physiologist, perhaps the greatest in the world, and his eager face rises before me, and I hear his quick, impetuous voice declaring that he knows what Life is; he has told it in several big volumes, and all I have to do is to read them.
"The Book of Life: Vol. I Mind and Body; Vol. II Love and Society"
Upton Sinclair
He has taken the letter with him, as he thinks it very remarkable, and says he has not yet met with such a thorough physiologist as my old friend.
"The Dead Lake and Other Tales"
Paul Heyse