Chapter I: The Proper Mental Attitude . . . . . . . . . . . . . . . . 6

(_a_) Distinction between reading and understanding . . . . 8
(_b_) Distinction between facts, opinions, and logical
conclusions . . . . . . . . . . . . . . . . . . . . 9
(_c_) Importance of the questioning habit . . . . . . . . . 11
(_d_) Inquiring into methods of ascertaining facts . . . . 14
(_e_) Studying evidence of reliability of a writer . . . . 15
(_f_) Importance of caution . . . . . . . . . . . . . . . . 18
(_g_) Importance of the scientific attitude of mind . . . . 19
(_h_) Intellectual modesty . . . . . . . . . . . . . . . . 19
(_i_) Wisdom rather than knowledge the aim . . . . . . . . 21