I kept telling myself to keep calm.

我不断叮嘱自己要保持冷静。

《牛津词典》

I kept telling myself (that) everything was OK.

我不住告诉自己一切都没问题。

《牛津词典》

Telling myself that I was merely an experienced writer guiding the young writer across the hall, I offered suggestions for characters, conflicts and endings for her tales.

当我为年轻作家的故事人物、冲突和结局提供建议时，我告诉自己，我只是一个有经验的作家，引导她穿过写作大厅而已。

youdao

"I keep telling myself: It's going to be OK, " she said.

CNN: Crews go on offensive against growing Colorado wildfire

For me, I keep telling myself, I say it's all right.

CNN: Interview with Jack Neo

My internal dialogue seems to be less focused on telling myself I can't do it and more concerned with developing and executing a workout exit strategy.

CNN: Work out what matters most: Your mind