Quote by Edward de Bono“Humor is by far the most significant activity of the human brain.”— Edward de BonoFavCopyquote and authorShare ImageShare imageCreate a quote imagePick a color theme, then download a format.Color themeMatch siteFavQsMintSunMidnightFormatPortrait1080 × 1350 · 4:5Landscape1200 × 630 · 1.91:1About the authorEdward de BonoMore from Edward de Bono