Al-Baqara · 2:283

If you are on a journey, and cannot find a scribe, something should be handed over as security, but if you decide to trust one another, then let the one who is trusted fulfil his trust; let him be mindful of God, his Lord. Do not conceal evidence: anyone who does so has a sinful heart, and God is fully aware of everything you do

Word-by-word analysis is only wired up for the demo verses (1:1 and 1:2) for now.