It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "A believer is not stung from the same hole twice."
It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them both) that the Messenger of Allah (peace and blessings be upon him) said: "Do not raise your eyes towards the sky, or they will be snatched away" - meaning in prayer.
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 13082