Coloasian 4:5-6

Walk in wisdom toward them that are without, redeeming the time. Let your speech be alway with grace, seasoned with salt, that ye may know how ye ought to answer every man. Colossians 4:5‭-‬6 KJV

When it comes to witnessing to others you have to know how to talk to them. Go to them with the wisdom of the Lord. Go to them with the bible.  Go to them with kindness or Grace but don't be bland woth your witnessing. Go with flavor learn different ways to show them the gospel so you can reach every man