Why not use mixed approach? I find it works best for me. First, learn by examples to get a broader picture, then learn theory bottom-up to get into details. It'

Why not use mixed approach? I find it works best for me. First, learn by examples to get a broader picture, then learn theory bottom-up to get into details. It's much easier to learn complex theories when you know where it leads and what purpose it serves than building mental model blindly.