"To see is to believe"
-- by Anonymous
If somebody knew who was the first person had said this famous line please make a comment and inform us to give credits.
It may have good and bad connotations.It would be best to know it first before you put on your two feet. If you have some doubts then you need to gather further information or see by our own eyes first before doing anything into action.
If you talk about faith, this quotation may not be appropriate.