> We don't [only] need [the formal discipline of mathematics known as] statistics to learn about the world.
Sure, there are things you can only functionally ascertain through statistical analysis. But not everything in the world needs rigorous statistics.
First one means "throw it away". Second one means "add other things too".
And I think you are injecting the words "only", "there are" and "everything" here and there just to change the meaning of the sentences I quoted and I have written...
> We don't [only] need [the formal discipline of mathematics known as] statistics to learn about the world.
Sure, there are things you can only functionally ascertain through statistical analysis. But not everything in the world needs rigorous statistics.