Sui juris —Of his own right.
— from Dictionary of Quotations from Ancient and Modern, English and Foreign Sources Including Phrases, Mottoes, Maxims, Proverbs, Definitions, Aphorisms, and Sayings of Wise Men, in Their Bearing on Life, Literature, Speculation, Science, Art, Religion, and Morals, Especially in the Modern Aspects of Them by Wood, James, Rev.

Except for this sacred and inviolable right, Sophy is very jealous of her own rights; she observes how carefully Emile respects them, how zealously he does her will; how cleverly he guesses her wishes, how exactly he arrives at the appointed time; she will have him neither late nor early; he must arrive to the moment.
— from Emile by Jean-Jacques Rousseau

It was Stephen's tone of misery, it was the doubt in the justice of her own resolve, that made the balance tremble, and made her once start from her seat to reach the pen and paper, and write "Come!"
— from The Mill on the Floss by George Eliot

With his principles a man seeks either to dominate, or justify, or honour, or reproach, or conceal his habits: two men with the same principles probably seek fundamentally different ends therewith.
— from Beyond Good and Evil by Friedrich Wilhelm Nietzsche

It was upon the behaviour of these very slight acquaintance that all her present happiness depended; and while Mrs. Morland was successfully confirming her own opinions by the justness of her own representations, Catherine was silently reflecting that now Henry must have arrived at Northanger; now he must have heard of her departure; and now, perhaps, they were all setting off for Hereford.
— from Northanger Abbey by Jane Austen

He is the best judge of his own responsibility; he acts upon his responsibility.
— from Bleak House by Charles Dickens

An aim that carries in it the least element of doubt as to its justice or honor or right should be abandoned at once.
— from Pushing to the Front by Orison Swett Marden

He was brave, honest, intelligent, a very capable soldier, subordinate to his superiors, just and kind to his subordinates, but jealous of his own rights, which he had the courage to maintain.
— from Personal Memoirs of U. S. Grant, Complete by Ulysses S. (Ulysses Simpson) Grant

The dicta upon this subject of the keen American observer, Ralph Waldo Emerson, are of value; for as America's most eminent critic, as England's greatest admirer, and as judge of his own race, he has every claim to credence.
— from Main Currents in Nineteenth Century Literature - 4. Naturalism in England by Georg Brandes

But the joy of his own release had been dissipated as a cloud of dust by a shower by the news of MYalu’s abduction of the girl and his desertion.
— from Witch-Doctors by Charles Beadle

`Appendix to Journal of House of Representatives,' vol. iii.
— from Austral English A dictionary of Australasian words, phrases and usages with those aboriginal-Australian and Maori words which have become incorporated in the language, and the commoner scientific words that have had their origin in Australasia by Edward Ellis Morris

She was too young to form any judgment of her own respecting the state of her mother's health; and Mrs Herbert's assurances outweighed the passing influence of her uncle's misgivings.
— from Amy Herbert by Elizabeth Missing Sewell

No one is a good judge of her own reputation, but I like to think that those iron gates were the silent witnesses of my milder manner.
— from Margot Asquith, an Autobiography - Two Volumes in One by Margot Asquith

The fact is that free institutions can be properly worked only by men, each of whom is jealous of his own rights, and also sympathetically jealous of the rights of others—who will neither himself aggress on his neighbours in small things or great, nor tolerate aggression on them by others.
— from The Contemporary Review, January 1883 Vol 43, No. 1 by Various