'Surely' in the Bible

Surely he mocks the mockers, but he gives grace to the humble.

He who walks blamelessly walks surely, but he who perverts his ways will be found out.

The plans of the diligent surely lead to profit; and everyone who is hasty surely rushes to poverty.

Indeed surely there is a future hope, and your hope will not be cut off.

"Surely I am the most ignorant man, and don't have a man's understanding.