The basic difference is that quiet can mean little or no noise, but silent means ZERO noise. If you describe somebody as quiet, it means that person doesn't talk very much. People can also talk quietly (with a very low volume) but itís impossible to talk silently!
If using a microscope with a mirror, do not use direct sunlight as the light source eye damage may result. If using a microscope with a light, turn off light when not in use. Always clean slides and microscope when finished. Store microscope set on the lowest objective with the nosepiece turned
down to its lowest position (using the coarse adjustment knob). If using a lighted microscope, turn off light before pulling
out the plug.