Over the centuries the Indians developed sign language for communicating phenomena of interest. Programmers from different tribes (FORTRAN, LISP, ALGOL, SNOBOL, etc.) could use one that doesn't require them to carry a blackboard on their ponies.
The past is what you remember, imagine you remember, convince yourself you remember, or pretend you remember.
当你想要某样东西时,整个宇宙都会齐心协力帮助你实现它。