“Desire is the very essence of man.”Baruch Spinoza · Etica · 1677 · Partea a III-a, definițiile afecțiunilor, definiția 1
You don't have desires; you are desire: the effort to exist made conscious.
Spinoza does not treat desire as a psychological accessory but as the essence of our being. To be human is to be an effort aimed at something, at persisting and increasing one's power. When you say 'I am someone who wants,' that is not a partial description but the full definition. Understanding your real desires tells you more about yourself than any list of traits.
If desire is your essence, then your inner conflicts are not battles between "you" and "your desires," but between desires that contradict each other. There is no empty "self" doing the choosing; there are several strivings pulling in different directions. Someone who wants both peace and recognition lives exactly this split. For example, postponing an important project is not pure laziness, but the desire to succeed blocked by fear of failure, both equally real. Spinoza suggests freedom begins when you see clearly which striving is truly yours. But how do you tell which desire is superficial and which runs deep?
Why it matters It urges you to examine your desires as your truest portrait, not as flaws to be controlled.