There are two branches of Fascism to consider: political fascism, and economic fascism. These three famous quotes address different aspects of each of those:

"Fascism should more appropriately be called Corporatism because it is a merger of State and corporate power."
- Benito Mussolini, Fascist dictator of Italy

"Fascism is capitalism in decay."
- Vladimir Ilyich Lenin, Bolshevik Leader

"Fascism will come to America in the name of anti-fascism'. I'm afraid, based on my own long experience, that fascism will come to America in the name of national security."
- US Senator Huey 'Kingfish' Long

One of the main things to take away from this study is that you can generally spot fascism by its exertion of force against its own domestic population, its unforgiving nature, and its aversion to negotiation or compromise. Another attribute is rampant cronyism.