"Before the BBC, I joined the Navy in order to travel"

In this quote, David Attenborough is assessing his previous experiences and how they have actually shaped his life. He mentions joining the Navy, which suggests that he had a desire to take a trip and see the world. This decision was made before he became a part of the BBC, which is where he got fame and recognition for his work as a biologist and broadcaster. By discussing his time in the Navy, Attenborough is highlighting the significance of taking threats and following one's passions in life. It also shows that his love for expedition and adventure has actually been a continuous throughout his life.