«إذا كان أحدكم يصلي فلا يبصق قبل وجهه فإن الله قبل وجهه إذا صلى»
The Prophet (peace and blessings be upon him) said:
"When one of you is praying, he should not spit in front of his face, for when he prays, Allah Almighty is in front of his face."
Hadith Referenceصحیح الجامع الصغیر / حرف الألف / 753