Thanks! I agree that (like Doug Crockford advises) one should learn as many programming languages as possible, however, Rust may be a stretch for him; although

Thanks! I agree that (like Doug Crockford advises) one should learn as many programming languages as possible, however, Rust may be a stretch for him; although I am convinced that he should study Rust sometime soon. But this may help him understand how a cutting-edge, fast-paced development occurs in the open-source world.