Complex sentence: However, sometimes it is hard to draw the line between those acts which were merely preparatory, and those that went and executing a plan, will always go through a series of steps to arrive at the intended conclusion.
Split into simpler sentences: However, sometimes it is hard to draw the line between those acts which were merely preparatory, and those that went beyond that. Anyone who is planning and executing a plan, will always go through a series of steps to arrive at the intended conclusion.