I like to think that bitcoin is half the key to unlock the meaning of life, the universe and everything.
The other half of the puzzle is within our minds and hearts.
42
Also, the recent block 777,777 is intriguing:
777,777 / 21 = 37037
777,777 / 37 = 21021
777 / 21 = 37
(3*7) + (3*7) = 42
(21) + (21) = 42
(3*7) = 21