# I applied my heart

Here the author refers to himself by his "heart" to emphasize his feelings. Alternate translation: "I determined" or "I applied myself" (See: [[rc://en/ta/man/translate/figs-synecdoche]])

# madness and folly

The words "madness" and "folly" share similar meanings and refer to foolish thinking and behavior, respectively. (See: [[rc://en/ta/man/translate/figs-doublet]])

# an attempt to shepherd the wind

The author says learning wisdom and madness and folly is as useless as trying to control the wind. See how you translated this in [Ecclesiastes 1:14](../01/14.md). Alternate translation: "as useless as trying to control the wind" (See: [[rc://en/ta/man/translate/figs-metaphor]])