"The lake and the mountains have become my landscape, my real world"

This quote by Georges Simenon speaks to the appeal of nature and how it can end up being a part of one's life. It suggests that the lake and mountains have become a part of the speaker's life, and that they have actually ended up being a part of their landscape, their real life. This might suggest that the speaker has discovered solace in nature, and that it has become a source of convenience and peace for them. It could also suggest that the speaker has discovered a sense of belonging in the natural world, which it has actually ended up being a part of their identity. The quote talks to the power of nature to bring us closer to ourselves and to the world around us. It is a suggestion that nature can be a source of beauty and delight, which it can be a part of our lives in a meaningful way.