We call a man irrational when he acts in a passion, when he cuts off his nose to spite his face.
— Bertrand Russell

Nothing is perfect. Life is messy. Relationships are complex. Outcomes are uncertain. People are irrational.
Hugh Mackay irrational quote

We must not demonstrate any arrogance, and we must refrain from any irrational or undemocratic behavior.
— Chen Shui-bian

Love is like pi -- natural, irrational, and very important.
— Lisa Hoffman

Superstition is foolish, childish, primitive and irrational -- but how much does it cost you to knock on wood?
— irrational quotation by Judith Viorst