[montgomery_r]

The more I hear about inverse proportionality, the less I like it.

[AndrewOMartin]

This reminds me of something I like to say, "It's probably just confirmation bias, it's almost always confirmation bias".

[hackeraccount]

In theory practice is just like theory but in practice it's not like it at all.

[smitty1e]

I like: "The difference between theory and practice is greater in practice than in theory."