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Yeah I've done that -

1. To give myself a boost, when I was really feeling down. It works.

2. During my initial days of public speaking. I was really nervous to get to the stage, but these words used toi help me.

3. My intial days of facing job interviews.

4. In the prime of youth for every small wins that I met

5. Just now repeated the sentence, as I was trying to remember the many times I have used it.