The cave man who heard a rustle in the bushes checked out to see what it was lived longer than the guy who assumed it was just a breeze.
غارنشينايي که وقتي صداي خش خش توي علفا مي‌شنيدن، مي‌رفتن ببينن چيه، از تنبلايي که فرض مي‌کردن صداي باده، بيشتر زنده مي‌موندن