To myself in English would be "to myself" or "to me" in English. This phrase comes from the personal pronoun "myself" in English, which is used to refer to oneself.

Here are some examples of this phrase in use:

I promised myself that I would exercise every day. (我答应自己每天都要锻炼。)

I have to remind myself to be patient. (我必须提醒自己要有耐心。)

I enjoy spending time by myself. (我喜欢独处。)