"O Messenger of Allah! Shall I tie it and rely(upon Allah), or leave it loose and rely(upon Allah)?" He said: "Tie it and rely(upon Allah)." Other chains report similar narrations.
رَجُلٌ يَا رَسُولَ اللَّهِ أَعْقِلُهَا وَأَتَوَكَّلُ أَوْ أُطْلِقُهَا وَأَتَوَكَّلُ قَالَ اعْقِلْهَا وَتَوَكَّلْ قَالَ عَمْرُو بْنُ عَلِيٍّ قَالَ يَحْيَى وَهَذَا عِنْدِي حَدِيثٌ مُنْكَرٌ