Who said "A principle not lived is merely pretty words."?

This quote is attributed to Geach, Peter.

A principle not lived is merely pretty words. - Geach, Peter

"A principle not lived is merely pretty words."

Geach, Peter Strength

Philosopher British 1916–2013

"Truth is not determined by majority vote."

"A proposition is not the same as a sentence."

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"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."