You probably wouldn't worry about what people think of you if you could know how seldom they do.

We probably wouldn't worry about what people think of us if we could know how seldom they do.

You probably wouldn't worry about what people think of you if you could know how seldom they do

You probably wouldn’t worry about what people think of you if you could know how seldom they do.

You probably wouldn't worry about what people think of you if you could know how seldom they do.

One of the best things people could do for their descendents would be to sharply limit the number of them.