To be or not to be yourself

This is an interesting array of articles and back and for between thought leaders on whether or not you should be yourself. Should you rather be sincere instead of authentic...?

Read this New York Times article first: Unless You're Oprah, 'Be Yourself' Is Terrible Advice.

Then read Prof. Brené Brown's response . I like her definition of authenticity:

End off by reading Prof Adam Grant's take on it all. 

Is it about being authentic or sincere?

My take on it all is that there needs to be balance in everything that we do; what do you recon?