A March 2018 report in the Wall Street Journal about a pre-Passover speech delivered by Israel’s prime minister included an error; a correction ran the following day. “An earlier version of this article incorrectly stated Benjamin Netanyahu said Moses brought water from Iraq,” it read. “He said the water was brought from a rock.”

Egyptian pop singer Sherine Abdel-Wahab was sentenced to six months in prison in 2018 for insulting the Nile. Asked by a fan to perform her hit song “Have You Drunk from the Nile?,” Abdel-Wahab responded, “You are better off drinking Evian,” informing the fan that the waters of the Nile can lead to schistosomiasis, a disease also known as snail fever, which has plagued Egypt for so long that strains have been found in excavated pharaonic-era mummies.

“Waters from snow and ice are all bad,” opined Hippocrates of Cos around 400 bc. “Once frozen, water never recovers its original nature, but the clear, light, sweet part is separated out and disappears.” Such melted waters, he declared, “are the worst for all purposes.”

To clear his head during his martial-arts training in the 1950s, Bruce Lee went sailing. He slapped the water angrily and found it instructive about kung fu. “I struck it but it did not suffer hurt,” he later wrote. “I then tried to grasp a handful of it but this proved impossible.” Lee was energized. “That was it!” he recalled. “I wanted to be like the nature of water.”

“To cross a great river,” advises a third-century Chinese alchemical text, you should smear a mixture of mercury, carp gall, and dragon grease on the bottoms of your feet. “When you walk on the water, you will not sink.”