Most Common...

Riddle: It is the beginning of eternity, the end of time and space, the beginning of the end, and the end of every space. What is it?

Answer: The Letter E.

Source: https://www.riddles.com/303

RELATED RIDDLE

Beginning of Eternity

Riddle: It is the beginning of eternity, the end of time and space, the beginning of the end, and the end of every space. What is it? Answer: The Letter E. — by Anonymous v1.

Riddle: It is the beginning of eternity, the end of time and space, the beginning of the end, and the end of every space. What is it? Answer: The Letter E. — by Anonymous v2.