A college student was ready to catch the bus to go home at night-until she realized she couldn't go anywhere, except on foot.

While walking toward the bus stop, a homeless man approached Caroline Santana asking for some change. She had been searching her purse for her bus pass, and promised the man she would give him some money as soon as she could find any.

Soon enough the Brazilian student started thinking she didn't have the bus pass-or money to pay the fare-and started to worry.

"Do you know how much is the ticket? Because I have $4 and I will be happy to give it to you."

Caroline declined his generous offer, but according to the girl's May 26th Facebook post, even after she found the bus pass the man insisted on giving her money and she kept declining.

"Are you sure you don't need it? You don't have to walk back home."

Caroline assured him she found the pass and there was nothing to worry about. But she did realize how extraordinary it was for a homeless man, who is normally asking for help to make himself available with what little he owned-and decided this action could not go unnoticed.

"I asked if I could take a picture with him to tell everyone about the size of his heart."

The man walked towards her and tried to make his appearance look nicer before they snapped the photo.

She also gave him a little over R$2 (all she had) and the humble man wished her a good night. Before Caroline left the man shouted, "Mention in the picture that my name is Cesar."

Caroline's photo with Cesar racked up more than 646,000 likes, with 119,000 shares.

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