Irregular Expressions

See just about any post about REs in SOPW

Rational & Irrational Expressions

"Well, it seemed like a good idea at the time..."

Immaginary Expressions

Anything in a thought-bubble in a comic strip

Anti Expressions

"I know you are, but what am I?"

Euclidean & Non-Euclidean Expressions

if (m|euclid| && m)euclid))
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Newtonian, Relativistic & Quantum Expressions

"How much an apple hurts when it hits your head depends on who's head it hits, but it may or may not have hit your head at all if you were not there to see it..."

Theological Expressions (include specific theologies)

10 - commandments
9 - Heimr
8 - fold path
7 - terraces of purgatory
6 - Venus; harmony
5 - pillars of Islam
4 - Vedas
3 - Persons in one Godhead
2 - Testaments
1 - Ring to rule them all...

Philosophical Expressions (include specific philosophies)

"To be is to do"--Socrates.
"To do is to be"--Jean-Paul Sartre.
"Do be do be do"--Frank Sinatra.
-- Kurt Vonnegut