“There should be Truth in thought, Truth in speech, and Truth in action. To the man who has realized this Truth in its fullness, nothing else remains to be known, because all knowledge is necessarily included in it. What is not included in it is not Truth, and so not true knowledge; and there can be no inward peace without true knowledge. If we once learn how to apply this never failing test of Truth, we will at once be able to find out what is worth doing, what is worth seeing, what is worth reading.”
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Probable attribution
This saying is widely associated with Mahatma Gandhi, but the attribution is not supported by a reliable primary source.
Likely origin: 'The Selected Works of Mahatma Gandhi'; Gandhi's teaching on Truth in thought, speech and action.
About this quote
The point is alignment: what you think, say, and do pulled into one honest line. Once that becomes your test, it doubles as a filter, worth-doing and worth-reading and worth-seeing all measured against it, and the calm that follows comes from having nothing to hide.
When to use it
- Before agreeing to a project, someone checks whether they actually believe in it, not just what sounds agreeable.
- A manager who promised transparency shares the real numbers with the team, matching words to deeds.
- A parent stops praising a relative in public while criticizing them at home, so speech finally matches thought.

