What a great discrepancy there is between people and the results they achieve! It is due to the difference in their power of calling together all the rays of their ability, and concentrating them upon one point.
Orison Swett MardenThe successful men of today are men of one overmastering idea, one unwavering aim, men of single and intense purpose.
Orison Swett MardenThe beginning of a habit is like an invisible thread, but every time we repeat the act we strengthen the strand, add to it another filament, until it becomes a great cable and binds us irrevocably thought and act.
Orison Swett Marden