It is narrated from Sayyiduna Sahl bin Sa'd (may Allah be pleased with him) that the Prophet (peace and blessings be upon him) passed by Dhu al-Hulayfah and saw a goat lying dead with its leg raised up. He (peace and blessings be upon him) said: "Do you see how worthless this goat is to its owners?" The Companions said: Yes. He (peace and blessings be upon him) said: "By the One in whose Hand is my soul, the world is even more worthless to Allah than this goat is to its owners. If the world weighed as much as a mosquito's wing with Allah, He would not give a disbeliever even a single sip of water from it."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 5819