Hij wil water drinken en met volle overtuiging denkend dat het in zijn mond wordt gegoten schenk hij het water naast zijn mond
He wants to drink water and, with full conviction thinking that it's being poured into his mouth, he pours the water next to his mouth.
Translation: A man is intending to drink water. He's holding a clear glass filled with water, his eyes are closed signifying his full conviction. However, instead of pouring the water into his mouth, he is mistakenly pouring it next to his mouth, creating a splash of water droplets.