To do what is right is not to avoid blame and seek praise.
為義非避毀就誉也。

Philosophers
Mozi
Founder of Mohism in Warring States China (c. 470-390 BCE). Impartial care (jian ai) and non-aggression (fei gong) made Mohism the chief rival of Confucianism. Mohists also pioneered Chinese logic and engineering.
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Source: 『墨子』耕柱篇Verified
Mozi's Other Quotes
Care for one another impartially; benefit one another in mutual exchange.
Officials are not perpetually noble, and commoners are not perpetually base.
If killing one man is unrighteous and a capital offence, then by the same logic killing ten is tenfold unrighteous and ten capital offences; killing a hundred is a hundredfold unrighteous and a hundred capital offences.