(used with the pronoun they and plural nouns)
Translations
Most humans only love themselves.
Большинство людей любят только самих себя.
The children fixed the bike themselves.
Дети сами починили велосипед.
Definitions
Used as the reflexive form of 'they' or 'them', referring back to the subject of the clause. Most humans only love themselves.
Used to emphasize a group of people or things. The students themselves organized the entire event.
Used for emphasis to indicate that a group of people is performing an action alone or unaided. The children fixed the bike themselves