كتاب جميل و ممتع ، غيّر كثيرًا من طريقتي في الحياة و وضعني على التردد المثالي لتلقّي الخير As for me... I did not dislike it. Hadn't I passed through Hawking's simplified explanations of quantum mechanics, or maybe the publications I have outlined just before, I probably wouldn't have found https://judyw864vfp4.blogofchange.com/profile