Alternative form of a little knowledge is a dangerous thing

At any cost; for certain; indicates the speaker is determined, resolute in doing something.

A small amount of knowledge can mislead individuals into believing that they are more experienced and expert than what is actually the case.

One should put one's mental faculties to good use.

Men are only interested in sex.

(idiomatic) Alternative form of greatest thing since sliced bread

(Ireland, idiomatic) Alternative form of greatest thing since sliced bread

(idiomatic) Something amazing, outstanding or praiseworthy, especially a relatively recent invention likely to improve people's lives.

Let's deal with matters of highest priority first; let's deal with matters in logical sequence.

Generally speaking; in terms of the big picture. / Despite possible indications to the contrary. / Given the constraints of the situation; relative to what would have been understandable.