Middle Path of Train Entry

A Tit for a Tat (195)

Tit: If you enter the packed train at the last second, you might not get in in time!
Tat: If you enter the packed train too immediately, you might not get out in time!
Tit: Only if you enter the packed train at the right time, you can get in and out in time!

Next aT4aT: http://moonpointer.com/new/2010/12/teach-the-teacher
Previous aT4aT:
http://moonpointer.com/new/2010/12/by-its-cover
About aT4aT: http://moonpointer.com/new/2010/02/logo-for-a-tit-for-a-tat-series