A strong, positive man does not allow himself to talk and think negatives. He does "not say "I can't"; it is always "I can"; he does not say "I will try the thing," but "I will do it." "Cant's" have ruined more boys and young men and young women than almost anything else, for to get into the negative habit, the doubting habit, tends to keep them down. They are fastening bonds of servitude around themselves, and will not be able to counteract their...