«بشرط إسلام الراوي وعدالته وضبطه وعقله واتصاله بك ذلك من رسول الله ﷺ»
Conditions include Islam, uprightness, accurate retention, sound understanding, and a connected route of transmission back to the Messenger ﷺ.
Islam: a baseline criterion of legal trust.
Uprightness: credibility and honesty.
Dabt: accuracy in preserving and transmitting what was heard.
Reason: capacity to understand and report correctly.
Connection: an acceptable continuity of the report.
Personal goodness cannot substitute for accurate transmission, and memory alone does not substitute for integrity. These are cumulative, not interchangeable, requirements.