Jesus highlighted this fact in two illustrations that were recorded for us in the 4th chapter of Mark’s Gospel.
(‏ جا ١١ :‏ ٦‏ )‏ فَعِنْدَمَا نَزْرَعُ بِذَارًا حَرْفِيًّا ،‏ لَا نَعْرِفُ أَيُّ زَرْعٍ سَيَنْبُتُ .‏