the Holy Prophet (S.A.W.S.) said: Before the Proclamation of Prophethood, once when I was grazing the cattle, I suddenly saw that the cattle stopped grazing and looked frightened. I wondered as to what was the reason for such a change, because nothing unusual happened at that time. When Jibra'eel came with the Revelation (Wahy) I asked him the reason for such a change. Jibra' eel answered, "O Prophet of Allah! When the people who are being punished in Barzakh scream with anguish and pain, their voices are not heard by human-beings and geniis, but animals can hear it and hence become tense. There are many incidents to support this.
It is written in "Darus Salaam' that the great Scholar Allamah Sayyed Hashim Husain Bahrani says: In Najaf there lived a shopkeeper who counseled and adviced people daily at his shop after Namaze Zohr. At that moment his shop would be full of people who gathered to hear the guidance.
One day an Indian prince came to settle in Najaf, and planed to proceed on a journey. He came to the shopkeeper to keep his ornaments and valuables as a trust with him, because he thought the shopkeeper to be a trust-worthy believer. After some days when he returned back from the journey, he went to the shop-keeper to take back the things entrusted to him. The shop-keeper totally denied having