Yes, Albert Einstein did engage in various physical activities and had a few recreational pursuits. While he is widely known for his contributions to physics and his intellectual pursuits, he recognized the importance of maintaining a balanced lifestyle, which included physical exercise. Here are a few examples of Einstein's involvement in exercise and sports:
Sailing: Einstein was an avid sailor and enjoyed spending time on the water. He owned a sailboat named "Tinef" and frequently went sailing on the Caputh Lake near his summer residence in Caputh, Germany. Sailing provided him with relaxation and an opportunity to enjoy nature.
Walking: Einstein believed in the benefits of regular walking and made it a part of his daily routine. He often took long walks, sometimes for hours, as a means of contemplation and to clear his mind. He found walking to be conducive to his thinking process.
Cycling: Einstein was fond of cycling and often rode his bicycle as a means of transportation. In his early years, when he worked at the Swiss Patent Office in Bern, he would commute to work on his bicycle. He continued to cycle throughout his life and considered it an enjoyable and practical mode of transportation.
Violin playing: While not a physical exercise in the traditional sense, playing the violin was a recreational activity that Einstein found great pleasure in. He was a talented violinist and often played music to relax and unwind. He considered music an essential part of his life and once said, "The greatest scientists are artists as well."
It is worth noting that while Einstein recognized the importance of physical activity, he prioritized his scientific work and intellectual pursuits above all else. He once humorously remarked that he had to sacrifice his physical development to acquire his intellectual development.