Learn from the mistakes of others

If this program accidentaly screws up and destroys data on your PC, electrocutes you,makes your monitor explode in your face, set's your house on fire, kills you, hacks into a nearby nuclear misile and targets your house, changes your bank balance to $0, gets you banned from online games, adds your name to a hitman's list, sucks you into the computer and plays pong with you(with you as ball), becomes sentient and starts killing everyone on this planet or does anything else you don't want it to do, don't blame the author of this program!!