Best first prime lens?

Here is what the site says about that.

From Your first camera: Your first camera: A good phone is a very good camera in daylight. It does a lot of clever processing for you, and it's always in your pocket. So the honest first question is what a real camera would give you that your phone doesn't.

From Your first camera: How to split the budget: Spend roughly as much on lenses as on the body, or more. A modest body with a great lens takes better pictures than a flagship body with a cheap zoom. A sensible first kit: 1. The body with its kit zoom, for everything. 2. A cheap fast prime, a 50mm f/1.8 or its APS-C equivalent, for people and low light. See lenses. 3. A spare battery and a decent memory ...

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