To make no attempt to do something guarantees failure, so you should always try.

(generally in an angry tone) bear in mind, remember

(colloquial) Do not misunderstand; do not fall for a specious argument.

(US, Southern, idiomatic) An expression of disapproval or disbelief.

Synonym of you don't dip your pen in company ink

Synonym of you don't dip your pen in company ink

A directive given in times of urgency to act quickly and without hesitation.

What you said is so wrong it reveals you lack basic understanding of the subject or relevant experience.