We must not let our passions destroy our dreams.
The presentations and conceptions of the average man of the world are formed and dominated not by the full and pure desire for knowledge as an end in itself but by the struggle to adapt himself favourably to the conditions of life.
Without renouncing the support of physics it is possible for the physiology...
The plain man is familiar with blindness and deafness and knows from his...
Physics is experience arranged in economical order.
Nothing is so threatening to conventional values as a man who does not...
Ignorance more frequently begets confidence than does knowledge: it is...
No thief, however skillful, can rob one of knowledge, and that is why...
