Three-fourths of the mistakes a man makes are made because he does not really know what he thinks he knows.

Patriotism consists not in waving the flag, but in striving that our country shall be righteous as well as strong.

Three-fourths of the mistakes a man makes are made because he does not really know what he thinks he knows.

The worth of a book is to be measured by what you can carry away from it.

Medicine, the only profession that labors incessantly to destroy the reason for its existence.

Our country is not the only thing to which we owe our allegiance. It is also owed to justice and to humanity.