Einstein's Love For Bicycle

Albert Einstein, the wild-haired wizard who unraveled the universe, had a surprisingly simple philosophy for staying upright in it: keep pedaling.
 
In a letter to his son Eduard on February 5, 1930, the 51-year-old physicist dropped one of his most enduring one-liners. The original German reads: “Beim Menschen ist es wie beim Velo. Nur wenn er fährt, kann er bequem die Balance halten.” A crisp translation? “It is the same with people as it is with riding a bike. Only when moving can one comfortably maintain one’s balance.”
 
He knew the feeling firsthand. Einstein loved his bike, riding it around Princeton long after fame could have bought him a chauffeured car. The quote wasn’t a throwaway line; it was pure Einstein: take something ordinary (two wheels and a wobble), give it a cosmic twist, and hand the world a truth you can actually use.