Famous quotes containing the words physical and/or knowledge:
“The peace loving nations must make a concerted effort in opposition to those violations of treaties and those ignorings of humane instincts which today are creating a state of international anarchy and instability from which there is no escape through mere isolation or neutrality.... When an epidemic of physical disease starts to spread, the community approves and joins in a quarantine of the patients in order to protect the health of the community against the spread of the disease.”
—Franklin D. Roosevelt (1882–1945)
“... overconfidence in one’s own ability is the root of much evil. Vanity, egoism, is the deadliest of all characteristics. This vanity, combined with extreme ignorance of conditions the knowledge of which is the very A B C of business and of life, produces more shipwrecks and heartaches than any other part of our mental make-up.”
—Alice Foote MacDougall (1867–1945)