With everything we do in life we identify ourselves. Here is a man who says harsh words to me. I feel anger coming on me. In a few seconds anger and I are one, and then comes misery. Attach yourselves to the Lord and to nothing else, because everything else is unreal. Attachment to the unreal will bring misery. There is only one Existence that is real, only one Life in which there is neither object nor [subject].
Swami VivekanandaManushya (man) is a being with Manas (mind); and as soon as his thinking power goes, he becomes no better than an animal.
Swami Vivekananda