One of Arnold Schwarzenegger‘s greatest qualities is that he’s not only a jack of all trades, but a master at all of them as well. He was one of the greatest bodybuilders of all time, became an instant Hollywood star, a successful businessman and entrepreneur, and was one of the most popular California governors.

Most people would shudder at the thought of tackling just one of these, whereas Arnold welcomed the opportunities and tackled them head-on. So how was it that he was able to accomplish all of this without going crazy?

Easy — throughout his lifetime Arnold has learned many invaluable lessons, and has used each of them to further himself. Not once in his life has he remained stuck; He’s always looking for a way to become better.

Here, we run down 12 of Arnold’s greatest lessons and how he used them to become the legend he is today.