How to put the samsung seek on silent?

I just brought the samsung seek from sprint and I can't seem to put the text messages on silent. I don't want it to vibrate while I am at work and in class. Does anyone know how to put it on silent?How to put the samsung seek on silent?Just keep pressing the volume down button on the side of the phone until the screen says Silence All. Push volume up to restore ringers.

bubble pop