Why this theme matters
Across 4 recurring voices here (notably The Doctrine of the Mean and Mencius), sincerity is framed through Confucianism and Cynicism. Some passages define sincerity; others warn how it fails; still others relocate it inside habit, community, or language.
In the history of philosophy
Discussions of sincerity travel through Greek, Chinese and European modern traditions. Compare the quotations below with their school labels rather than forcing a single definition.
Thinkers in this collection
The Doctrine of the Mean , Mencius , The Great Learning , Diogenes of Sinope , Blaise Pascal
Frequently asked questions
What did philosophers say about sincerity?
They disagreed in productive ways. In this archive, The Doctrine of the Mean, Mencius, and related voices treat sincerity as something to clarify, cultivate, or critique—not merely to celebrate.
Where can I find philosophy quotes about sincerity?
This theme page gathers 6 verified English quotations tagged Sincerity, with links to thinkers and sources.
How should I read quotes about sincerity?
Read the sentence, then check school and source. A compact line is an entry point into an argument about sincerity, not a substitute for the surrounding text.