Looking on the internet deeply has found these results:

Neither of us is fit to give advice is the most popular phrase on the web.

Neither of us are fit to give advice 155,600,000 results on the web	Neither of us is fit to give advice 157,300,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
The Commission may ask external experts to give advice on these matters. None of your sons are fit to marry my daughter. None of us are fit to fight. It's kind of hard to give advice on beauty. Lord knows I'm not one to give advice. He's hardly one to give advice. I was literally about to give advice. The expert has to be here to give advice.	Ideally, therefore, this opinion seeks to give a voice to the hundreds of thousands of citizens who, because of despondency or disillusionment, do not even manifest their indignation or their wish for an environment that is fit to live in. It's kind of hard to give advice on beauty. He's hardly one to give advice. Lord knows I'm not one to give advice. The expert has to be here to give advice. The Commission may ask external experts to give advice on these matters. Better future than most of us is fit to have. I was literally about to give advice.

Neither of us are fit to give advice

155,600,000 results on the web

Neither of us is fit to give advice

157,300,000 results on the web

More popular!

Ideally, therefore, this opinion seeks to give a voice to the hundreds of thousands of citizens who, because of despondency or disillusionment, do not even manifest their indignation or their wish for an environment that is fit to live in.
It's kind of hard to give advice on beauty.
He's hardly one to give advice.
Lord knows I'm not one to give advice.
The expert has to be here to give advice.
The Commission may ask external experts to give advice on these matters.
Better future than most of us is fit to have.
I was literally about to give advice.