Life begins at forty
If a baby is carried to full term, it has been 40 weeks in development, so in that sense, life (outside the womb) really does begin at 40.
Forty can be significant for people taking examinations, when it may be the pass mark, and denote the difference between success and failure.
It may be even more important to the workforce, when a 40-hour week can be standard, though it may vary between 37.5 and 40 hours. Shift workers usually work a 40-hour shift.
In tennis, 40 indicates the third point won in a game. Athletes and dancers reaching the age of 40 used to be regarded as veterans, ready to retire. In modern times players at the top of their game are seen as elite performers.
Minus 40 degrees is the point at which Fahrenheit and Celsius scales are exactly equal.
In religion, 40 frequently represents a time of tribulation or preparation. Noah’s flood lasted 40 days. Moses fasted for 40 days, as did Jesus, while the Israelites wandered the desert for 40 years. Many Christians fast or abstain from luxuries for the 40 days of Lent.
In Islam, 40 symbolises spiritual growth. The prophet Muhammad experienced his first revelation when he was 40, the age of full maturity and strength. The baby in the womb develops in 40-day stages before its soul is breathed into it.
In the 14th century, during the Bubonic Plague, ships were held in port for 40 days before any crew members or passengers could disembark. This was to ensure that the danger of passing on the disease had been overcome. The 40-day period, still observed today in cases of communicable disease, is called quarantine, deriving from quaranta, the Italian for 40. Emerging from quarantine is like a return to life, another starting from 40.
The Roaring Forties are westerly winds blowing strongly and persistently in the Southern Hemisphere, causing huge swells, because there are no landmasses to interrupt them. Merchantmen used them in the 18th and 19th centuries to speed their journeys through latitudes 40˚ and 50˚ between Europe and Australasia. On their return journeys, they used the Furious Fifties!



