Are you sure you see the reality out there? That is the question. The brain does not receive an image like a camera does. The brain is not a passive processor. What you see is constructed in the brain. How do you see with your brain?
Can you smell it too?
Our olfactory organ is quite exceptional. What you are capable of smelling can change within a few months as a result of changes within your nose. And a smell apparent to one person may be completely undetectable to another.
What is colour? How blue can look white…
How do we see colour? Can white look blue and vice versa? And does it matter which word you use for a colour?