Patience

Patience is absolutely necessary in dealing with human beings, and without love, patience is impossible. That is why the great saints of this world of ours have been so loving - because without it they could never have embarked upon the tremendously difficult, almost impossible job of bringing transformation in human beings. Love has been, and must always be, the sole instrument of human transformation. If love is there, all the other things such as patience, forbearance, self-control all become possible.

Taken from the book "The Spider's Web, Vol I ", chapter "Hope-The
Foundation of Change", pg.99-by Chariji.