Complex sentence: It states that if you keep the initial cue, replace the routine, and keep the reward, change will eventually occur, although individuals who do not believe in what they are doing will likely fall short of the expectations and give up.
Split into simpler sentences: It states that if you keep the initial cue, replace the routine, and keep the reward, change will eventually occur. Although, individuals who do not believe in what they are doing, will likely fall short of the expectations and give up.