Musnad Ahmad Hadith 21601

It is narrated from Zaid bin Thabit (may Allah be pleased with him) that I used to write down revelation for the Noble Prophet (ﷺ). (One day, I was sitting beside the Noble Prophet (ﷺ) when revelation began to descend and tranquility started to prevail. At that time, the thigh of the Noble Prophet (ﷺ) was upon my thigh. By Allah! I have never felt anything heavier than that. Then, when this state ended,) the Noble Prophet (ﷺ) said (to me), "Zaid! Write." (I picked up a shoulder blade and the Noble Prophet (ﷺ) said, "Write this verse:") "Those among the Muslims who sit back, not engaging in jihad, and those who strive in the way of Allah are not equal." (I wrote it down.) Abdullah bin Umm Maktum (may Allah be pleased with him) heard this verse and came and said, "O Messenger of Allah! I love to strive in the way of Allah, but my disability is before you and I have lost my sight. O Messenger of Allah! What about the person who cannot participate in jihad, such as the blind, etc.? What should he do?" (By Allah! He had not yet finished his words when tranquility again descended upon the Noble Prophet (ﷺ) and his thigh came upon my thigh,) and its weight was so much on me that I feared it would break (until that state ended), and the Noble Prophet (ﷺ) said, "Write: 'Those among the Muslims who sit back, except those who are disabled and compelled, and those who strive in the way of Allah are not equal.'"