1. وإنْ هَممْتَ بأمرٍ

    ولم تُطِقْ تخريجَهُ

    And if you set your mind to a matter,

    And cannot work it out,

  2. فقِسْ قياساً صحيحاً

    واحكُمْ بِضِدِّ النَّتيجَهْ

    Then make a sound deduction,

    And judge by the opposite of the conclusion.