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“Have confidence in yourself, and believe that you are proceeding on the right path.”
Seneca makes self-confidence a condition of steadiness: tranquility depends partly on trusting a course that has been examined rather than continually surrendering judgment to outside pressure.
Source note: Of Peace of Mind, section II; the public-domain Aubrey Stewart translation connects tranquility with confidence in one’s chosen path while warning against restless self-doubt.
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“Above all, don’t lie to yourself.”
Voice: Fictional character · Father Zossima
Self-deception is presented as especially damaging because it corrupts the person’s ability to recognize truth both inwardly and around them.
Source note: The Brothers Karamazov, Book II, Father Zossima’s counsel; Constance Garnett translation.
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“This above all: to thine own self be true.”
Voice: Fictional character · Polonius
Polonius frames integrity as consistency between inward conviction and outward conduct, although the advice belongs to a fallible fictional counselor.
Source note: Hamlet, Act 1, Scene 3; Polonius gives Laertes this advice before Laertes leaves for France.
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“Nothing can bring you peace but yourself.”
The sentence places lasting peace in self-command rather than approval, status, or external circumstances.
Source note: Essay “Self-Reliance.”
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“A foolish consistency is the hobgoblin of little minds.”
Emerson attacks rigid consistency when it prevents people from revising judgment in the light of new thought.
Source note: Essay “Self-Reliance”; Emerson criticizes rigid adherence to past opinions when fresh judgment requires revision.
Source identified
“Keep thy heart with all diligence; for out of it are the issues of life.”
Guarding inner life is presented as practical because attention and motives influence conduct downstream.
Source note: Proverbs 4:23 in the King James Version.