It is narrated from Sayyiduna Zayd bin Thabit (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) was asked about the mosque whose foundation was laid on piety, and he (peace and blessings be upon him) said: "It is this mosque of mine."
Hadith Referenceالمعجم الكبير للطبراني / باب الزاي / 4835