Union is strength.

strive to be the first and fear to lag behind

confuse one thing with another

be universally known

fail into the cocoon set by oneself

presumptuous

shrink back from difficulties

speak without reservation

find joy in one's own way

volunteer to do sth.

only to expose one's elbows

aband on oneself

think oneself right

cut one's throat(slit one's (own) throat; to spoil one's chances; to ruin oneself; bring destruction to oneself)

diamond cut diamond

toss and turn restlessly

Tastes differ.

make a gross error

banish from one's mind(ignore and forget)

take a brief look at