"I've been extremely lucky having been in the army when I was a boy of fourteen"

Norman Wisdom's quote shows his appreciation for the chances he was offered by joining the army at such a young age. He likely recognizes the special experiences and abilities he was able to acquire from his time in the military, which have likely served him well throughout his life. He may likewise be expressing appreciation for the sense of function and direction he found in the army, which may have been lacking in his life prior to joining. Furthermore, he may be expressing his appreciation for the sociability and relationships he formed while in the army, which might have been a source of comfort and assistance during his time of service. In General, Norman Wisdom's quote shows his appreciation for the favorable impact the army had on his life.