The author advocates free and liberal thinking and education. Contents: Conflict between occultism and mystery-dispelling knowledge; What our children believe and why; Where we got the mighty medicine; Evolution of quackery and fiatism; Fear of natural knowledge; The unafraid investigate; Education of an old breed; New liberal education; Natural knowledge in a liberal education; Possibilities and present urgencies; Child as a member of society; Public high school; Unfit for college; What the college graduate should know; What the college president should know; The experimental way; Present duty of the intellectually honest and unafraid.