كتاب جميل و ممتع ، غيّر كثيرًا من طريقتي في الحياة و وضعني على التردد المثالي لتلقّي الخير As for me... I failed to detest it. Hadn't I undergone Hawking's simplified explanations of quantum mechanics, or maybe the books I've outlined just before, I in all probability wouldn't have found https://robertb075xgo3.blogdosaga.com/profile