1
הנה ברך לקחתי. שם הפועל כמו שם: BEHOLD, I AM BIDDEN TO BLESS. Barekh (to bless)77Literally, blessing. is an infinitive. It has the same meaning as a noun.78Scripture employs an infinitive (barekh) with the meaning of a noun (borakhah). The meaning of our clause is, I have taken a blessing; i.e., God has given me a blessing.
2
וברך. פועל עבר והטעם והשם ברך ברכה ולא אשיבנה: AND WHEN HE HATH BLESSED. U-verekh (and when he hath blessed) is a verb in the perfect. Its meaning is, when God pronounced a blessing, I cannot call it back.