Sayyiduna Ka'b bin Malik (may Allah be pleased with him) said: I intended to marry a Jewish or a Christian woman, but the Prophet (peace and blessings be upon him) forbade me and said: "She will not make you muhsan (chaste)."
Hadith Referenceالسنن الكبرى للبيهقي / كتاب الحدود / 16941