For Marriage
It is good, but say everything at the very beginning. Proceed with research and Tawakkul in Allah.
For Business / Deal
It is good; proceed while observing Sharia standards (Islamic guidelines).
وَلَقَدْ جِئْنَاهُم بِكِتَابٍ فَصَّلْنَاهُ عَلَىٰ عِلْمٍ هُدًى وَرَحْمَةً لِّقَوْمٍ يُؤْمِنُونَ
Walaqad jinahum bikitabin fassalnahu AAala AAilmin hudan warahmatan liqawmin yuminoona
For We had certainly sent unto them a Book, based on knowledge, which We explained in detail,- a guide and a mercy to all who believe.