Who said "Wisdom is knowing when to hold fast and when to let go."?

This quote is attributed to Léopold Sédar Senghor.

Wisdom is knowing when to hold fast and when to let go. - Léopold Sédar Senghor

"Wisdom is knowing when to hold fast and when to let go."

Léopold Sédar Senghor Wisdom

President, Poet Senegalese 1906–2001

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