He left without so much as saying goodbye.

As the saying goes, "Nothing ventured, nothing gained."

Forasmuch as I have known him for many years, I trust his judgment.

I love going on go-as-you-please trips.

He approached the job search with a catch-as-catch-can attitude, applying to any opportunity that came his way.

Inasmuch as I have the necessary qualifications, I believe I am the right candidate for the job.