you don't need a weatherman to know which way the wind blows
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English[edit]
Etymology[edit]
From a line in a Bob Dylan song, Subterranean Homesick Blues.
Proverb[edit]
you don't need a weatherman to know which way the wind blows
- One doesn't require an expert to tell one what one already knows.
Derived terms[edit]
Related terms[edit]