let's be clear

Nature (all perceivable) clears being (ones perception)...letting another (consenting to a suggestion) obscures ones clear sight.

Letting also implies the foundation for "letters" aka spell-craft, as in...a jew cannot craft spells if a gentile doesn't choose to "let" him shape "letters" into words, so letting binds one to letters.

to be honest

To hone implies sharpening on an edge aka "knowledge" (perceivable)...suggesting others to be honest tempts one to ignore perceivable (inspiration) for suggested (information), hence dulling ones edge.

Sleight of hand for those with eyes to see... https://genius.com/Aerosmith-livin-on-the-edge-lyrics

• There's something wrong with the world today...I don't know what it is
• Something's wrong with our eyes
• We're seeing things in a different way...And God knows it ain't his
• Living on the edge

Which are all set up...

Only within ALL (perceivable) can ONE (perception) set up (suggestion) another...