Who said "To understand another is to understand oneself better."?

This quote is attributed to Geach, Peter.

To understand another is to understand oneself better. - Geach, Peter

"To understand another is to understand oneself better."

Geach, Peter Relationships

Philosopher British 1916–2013

"Truth is not determined by majority vote."

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

"Good English is not a matter of following rules."

"The human mind is not a vessel to be filled, but a fire to be kindled."

"The key to a happy marriage is communication."

"Marriage is about compromise and understanding."

"Life's greatest treasures are relationships."

"Trust is a luxury I can't afford."