Inside are not diagrams, but a manifesto:
If you are looking for legitimate resources to learn origami, here are the best places to find high-quality diagrams (PDFs) that respect the art form: genuine origami pdf
If you're looking for you can try searching online for free origami resources that offer downloadable PDFs, or visit your local library to find origami books with accompanying paper diagrams and instructions. Inside are not diagrams, but a manifesto: If