Translation:

66. Your Lord is He that maketh the Ship go smoothly for you through the sea in order that ye may seek of His Bounty: for He is unto you Most Merciful.

Notes (Tafseer)

2261. This illustration of the sea, and the skill with which, by Allah's grace, men pass through it with ease in order to earn material gains by commerce, social gains by human intercourse, and spiritual gains by knowledge, is frequently used to enforce Allah's goodness to man. Cf. ii. 164.