Peek-a-boo Perfection

So many aspects in our social vocabulary is experientially based: all? 
But it is important that as a culture we each take the time to explain once in a while to increase clarity.

I've heard criticism of the existence of "perfection": "nobody's perfect" & "there is no such thing as perfection".
I guess they didn't have anything better to say... maybe those heard speakers do not know better. 
Perfection is an acceptance level, it is an agreement that that which is being considered is as it should be.
It is a statement of pleasure and appreciation, "that's perfect". 
Experience of one not finding perfection and admitting it is not so bad as sarcastically (see below) calling it toward something really awful.

Similarly: the word "try". 
For some the word "try" is associated with failing, not succeeding, "I am not going to try, I will" or "I tried and I failed".
But "try" can also mean "keep striving toward the goal until you achieve the goal or change the goal".
Trying is an testament of faith and progress.

"Sarcasm" is a term that calls attention to at least two phenomena; cutting/cruel or false/opposite indicating. 
It can be difficult for the observer to know which vice is being used: unkind or untrue(?).  Is either worthwhile?  I have to admit I have indulged, but I try to always correct myself.  Because inferring someone's meaning from context is not always dependable.  Authenticity is missing in sarcasm.  Meaningful communication, in my opinion, must be more straight forward.  Sarcasm can be good as a joke, but maybe it should be linguistically clarified within the conversation, like "I am being rude", or "I am lying". 

Hearing each other speak, and the acts of speaking, create for us our bodies of attention.  What kind of pools, of emotion, are our genes swimming in anyway?