For Marriage
It is good. Keep Allah in mind in all states. Finalize your words at the very beginning so you do not encounter problems later.
For Business / Deal
Proceed after examining all aspects; Insha'Allah, you will gain a good profit.
قَالَ عِلْمُهَا عِندَ رَبِّي فِي كِتَابٍ ۖ لَّا يَضِلُّ رَبِّي وَلَا يَنسَى
Qala AAilmuha AAinda rabbee fee kitabin la yadillu rabbee wala yansa
He replied: "The knowledge of that is with my Lord, duly recorded: my Lord never errs, nor forgets,-
