To so enter into it in nature and art that the enjoyed meanings of life may become a part of living is the attitude of aesthetic appreciation.

This quote is talking about appreciating the beauty and joy of life. It suggests looking for meaningful moments in both nature and art, such as by appreciating the beauty of a sunset or admiring a work of art. This way, understanding life’s joys can be intertwined with everyday life. In other words, life can be more enjoyable if we take time to notice and appreciate its beauty.