There is no way to prove that my red is the same as your red. However, is there a way to prove that your notion of similar/different are the same as mine? -
![We DON'T all see the same colours say scientists as they claim one person's red is another's blue | Daily Mail Online We DON'T all see the same colours say scientists as they claim one person's red is another's blue | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2012/07/01/article-2166917-13DF63B3000005DC-74_308x185.jpg)
We DON'T all see the same colours say scientists as they claim one person's red is another's blue | Daily Mail Online
![Is anyone else having this issue? I can't sign in because it wants me to activate my card, my card was activated 2 years ago and isn't expired. It won't let me Is anyone else having this issue? I can't sign in because it wants me to activate my card, my card was activated 2 years ago and isn't expired. It won't let me](https://i.redd.it/1hr45itdvcf31.jpg)
Is anyone else having this issue? I can't sign in because it wants me to activate my card, my card was activated 2 years ago and isn't expired. It won't let me
![We DON'T all see the same colours say scientists as they claim one person's red is another's blue | Daily Mail Online We DON'T all see the same colours say scientists as they claim one person's red is another's blue | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2012/06/30/article-2166917-13DE1529000005DC-943_468x578.jpg)