John Stott:

Every time we look at the cross Christ seems to say to us, “I am here because of you.  It is your sin I am bearing, your curse I am suffering, your debt I am paying, your death I am dying.”  Nothing in history or in the universe cuts us down to size like the cross.  All of us have inflated views of ourselves, especially in self-righteousness, until we have visited a place called Calvary.  It is here, at the foot of the cross that we shrink to our true size.

HT:  Challies.