himself
The German phrase 'sich selbst' is the equivalent of the English word 'himself'. It is used to refer back to the subject of a sentence when the subject is male. It can also be used to emphasize that the subject is performing an action on himself. For example, 'Er kämmt sich selbst' means 'He combs himself'.
He no longer knows himself
This sentence refers to someone losing touch with their own identity or not recognizing their own behaviors or characteristics.
She has to trust herself
A sentence implying that the subject (a female) should rely on her own judgment or belief in her own abilities.
One can decide for oneself
The phrase is used to highlight personal autonomy, demonstrating that the individual has the power or authority to make their own decisions.