Science, in the very act of solving problems, creates more of them.
A patient had a 50-50 chance of benefiting from visiting a physician as of 1910. Medicine was more like voodoo than science until the 20th Century.
The world in which we live is the only world about which our senses can testify.
There are men who teach best by not teaching at all.
The real enemy is the man who tries to mold the human spirit so that it will not dare to spread its wings.
Nations have recently been led to borrow billions for war; no nation has ever borrowed largely for education... no nation is rich enough to pay for both war and civilization. We must make our choice; we cannot have both.