Yesterday is history.
Tomorrow is a mystery.
Today is a gift.
That is why it is called the present.
Alice Morse Earle (April 27, 1851 - February 16, 1911) was an American historian and author from Worcester, Massachusetts.
スタディサプリ講師の関正生さんの決定版『真・英文法』（KADOKAWA、２０２２年）より
