"overcome oneself" is correct and usable in written English.
It is used to refer to the act of pushing oneself to do something against one's natural inclination. For example, "In order to succeed, she had to learn to overcome herself and push through her fear."
It's one thing to master oneself by overcoming fear, doubt, and insecurity.
As repentance is the greatest manifestation of human reason, it is necessary from the earliest moments to habituate oneself to overcome a passion which is practically always followed and which makes the bearer of it hated and despised" [MM, 359].
Since, however, most of what anyone finds painful and unpleasant arises from the conviction that some objects of experience are inherently undesirable or impure, the best strategy to follow in helping oneself and others overcome pain and suffering is to show that there is no basis for the belief that some objects are inherently undesirable or impure.
This conflict may be with another character (antagonist), with an external condition (war, poverty, separation from a loved one), or with oneself (having to overcome one's own insecurities, for example).
Getting angry may be an important step in motivating oneself to face obstacles and overcome them.
Thus, proactive behaviors aim to overcome current and future barriers and prepare oneself, one's team or the whole organization for future achievements.
The people in the study who practiced self-compassion, or being kind to oneself, were more likely to overcome regrets than the people who did not do so, according to the study, published in February in the journal Personality and Social Psychology Bulletin.
Believing that there are effective strategies to catapult oneself out of a depressive phase and overcome feelings of hopelessness is an important part of recovery.
The only way to overcome these challenges is to take a hard look at oneself, and redefine one's beliefs, values, and even one's identity.
"Lost Girl" was a heartbreaking hour for Emma and Snow, juxtaposed beautifully with Snow's own journey of self-discovery, in which Charming showed his fiancee that -- as many Disney heroes have learned before her -- belief in oneself is the only "magic" a person truly needs to overcome their obstacles.
