Anas (May Allah be pleased with him) said:
The Messenger of Allah (ﷺ) said, "Not the transmission of disease of one person to another and no evil omen, but I am pleased with good omens." He was asked: "What is good omen?" He replied, "A good word."[Al-Bukhari and Muslim]. (DE)
App reference (DE): Book 18, Hadith 164 (DE)
Arabic/English book reference (DE): Book 18, Hadith 1674 (DE)