What is Professor Neustadt's Quote, and why is it Important for US Presidents Powers?

'Presidential Power is the Power to Persuade' -Lack of Patronage and no Direct Control over Congress, on top of a Weak Party System makes it Hard for Presidents to get what they want, hence this quote being made. -Power of Persuasion is not a Formal Powers, but a Way in which Presidents can exert Influence. This can go beyond the Powers the Founding Fathers had thought of