Don't Make Noise
Make sure while you are lurking in the shadows you stay silent, even when you are completely hidden you will betray your prescence if you make a noise. Remember that the faster you move the more noise you will create. The best tactic to get about quietly without being seen is to crouch in the shadows and sneak very slowly.
More tricks, tips and cheats for this game are right here - Thief cheats
Comments for this hint