Whatever your hand can do by your strength, do… (Ecclesiastes 9:10) That is, in order to uplift people on [the level of] Assiyah¹¹ to [the level of] thought, which is known by the letter yud,¹² represents the world of thought; i.e. the beginning of creation. The letter hey, as the last letter of the Tetragrammaton, corresponds to Malchus and the world of Asiyah. that also spells out the word yado – “his hand” (יוד – ידו). This is by means of Da'as, which is the aspect of Yosef, as is known. Ben Poras Yosef, p. 68d

footnotes: ¹¹ The lowest of the spiritual worlds. ¹² As the first letter of the Tetragrammaton, the letter yud