愛崗敬業 is used to refer to someone who puts forth maximum effort and achieves much.

We might call this kind of person a “go-getter” in English.

See Also:  Dedication | Tenacious | Devotion

刻苦 is “hard work” in Chinese characters, Japanese Kanji, and old Korean Hanja.

If working hard is important to you, maybe this word will state your belief on your wall (this is not a common title to see on a wall scroll in Asia).

刻苦耐勞 is a Chinese proverb that suggests that you should always bear hardships and work hard.

Some will translate it as a suggestion to be assiduous and long-suffering.

My favorite is to use this to remind myself to be hard-working and capable of overcoming adversity.

練功 is a martial arts term that can mean to practice and attain working skills, feats of practice/practise, or skills acquired through hard training.

練功 is often used as a martial arts term but can apply to other skills (or professions).

勤勉 can be translated as diligence, industrious, assiduity, assiduous, diligent, or sedulity.

Diligence is working hard and doing your absolute best. You take special care by doing things step by step. Diligence helps you to get things done with excellence and enthusiasm. Diligence leads to success.

See Also:  Hard Work | Tenacity | Commitment | Passion for a Cause