Meaning of 潔 in Japanese

簡潔は機知の精髄。
Brevity is the soul of wit.

私は彼が潔白だと断言した。
I affirmed that he was innocent.

このシンボルは強さと高潔さを表す。
This symbol stands for strength and integrity.

ゆりの白さは純潔の象徴だ。
The whiteness of the lily is a symbol of purity.

清廉潔白できこえた彼が、汚職なんかに手を染めるわけない。
He has a reputation as being straight as an arrow. He'd never get involved in corruption.

レストランの不潔な皿に私達は吐き気を催させられた。
The dirty plates in the restaurant disgusted us.