Hi. When can we use the phrase "on the inside of something" and "in the inside of something"?<br/><br/><i>The latch is on the insdie. People on the inside should open it.</i><br/><br/>Which is correct? I think both are correct if I am not mistaken.<br/><br/><i>Two things I learned last year are these.</i><br/><br/><i>Two things I learned from last year are these. </i>