Virtue is easily achievable, implying that the difficulty lies not in the act itself but in one's will or resolve to perform it.
师傅常教导我们，行善积德并非难事，德輶如毛，关键在于是否有那份心意去付诸行动。
Our master often taught us that doing good deeds is not difficult; virtue is as light as a feather, the key lies in having the will to act upon it.
Next Idiom