There are periods that we forget that in the pursuit of fruit, that if we just abide in Him, then fruitfulness is a guarantee.
Moon is like Soul. Clouds are like all the situations in our life, relationships, youth, etc. Wind is like the Time. Just like the wind moves the clouds, Time moves all the situations in our life. But the soul is always the same and not on the temporary situations. One who focuses on soul is a moon-like person.