Sahih International
He said, "I only complain of my suffering and my grief to Allah , and I know from Allah that which you do not know.
Tafsir al-Jalalayn
He said, to them: ‘I complain of my anguish — (bathth is) severe grief, which cannot be endured unless it is proclaimed [yubaththu] to others — and grief only to God, not to any other than Him, for it is worth complaining to Him; and I know from God what you do not know, [and that is] that Joseph’s dream is true and that he is alive. Then he said:
Sahih International
O my sons, go and find out about Joseph and his brother and despair not of relief from Allah . Indeed, no one despairs of relief from Allah except the disbelieving people."
Tafsir al-Jalalayn
O my sons, go and enquire about Joseph and his brother, seek news of them, and do not despair of God’s [gracious] Spirit, His mercy. Indeed none despairs of the [gracious] Spirit of God save the disbelieving folk’: and so they departed to Egypt [to look] for Joseph.