Well, whom ever coined the phrase, they obviously never got a disc read error on a PS2.
I've had many experiences where doing "the same thing" results in a different outcome each time. Of course, that ignores the whole ton of context that isn't immediately obvious - the state of the program, the state of things running in the OS, the state of the data in the database, etc.
01001101 01100001 01111001 01100010 01100101 00100000 01110100 01101000 01100001 01110100 00100111 01110011 00100000 01101001 01101110 01110011 01100001 01101110 01100101