"Seek first to understand, then to be understood" - What is meaning of this sentence?

What is meaning of this phrase "Sharpen the Saw"?

"To give anything less than your best is to sacrifice the gift." - What is meaning of this sentence?

What is meaning of this sentence? "I don't know a single successful person that leaves their shopping cart in the middle of the parking lot."

"No Amount of Facial Hair will Make Up for your Glaring Character Flaws and Lack of Personality" What is meaning of this phrase?

What is meaning of "My brain said crunches but my stomach auto-corrected it to cupcakes"

What's the meaning of this phrase: *If you can read this. you're fishing too close"

"Hand picked for earth by my Grandpa in Heaven" - What's the meaning of this phrase?

I've seen a t-shirt that says "Buy me iced coffee and tell me I'm pretty" What's the meaning of this phrase?