Reports will never be accepted as true until [they are] verified by the eyes

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Seeing something [yourself] is not the same as being informed about it

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Do not relate that which you have no knowledge about

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Do not relate to the people all that you hear, for this suffices as silliness (or foolishness)

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Do not say that which you do not know, thereby making others suspicious of your statements about what you do know

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

Never transmit information except from a reliable person otherwise you will become a liar, and if you transmit from other than him then surely telling lies is [a cause of] disgrace and dishonour

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech

There is no good in that which is viewed except when accompanied with a good source of information [or good elocution]

Source : Ghurar Al-Hikam Wa Durar Al-Kalim, Exalted Aphorisms And Pearls Of Speech