Benjamin Franklin (1)

"When the well's dry, we know the worth of water."

-- Benjamin Franklin (politician, writer, scientist (born 1706, died 1790))

Source: Poor Richard's Almanac

English-as-a-Second-Language Note: worth (N-UNCOUNT) ≡ value (N-UNCOUNT  also a N, usu with supp)

E.g., ...the value of water