Hey there!
Your answer: by using inductive reasoning based on empirical evidence.
Francis Bacon believed that the basic law of science should always be explained and determined based by using inductive reasoning based on empirical evidence. He thought that a law would not make sense, or it wouldn't and can not become a law if you had no evidence to support it. It's almost like supporting details. You can state a statements, but as for the supporting details, this would allow you to understand the statement much more.
Your answer: by using inductive reasoning based on empirical evidence.