wherefore from seeing someone doing good to his fellow his own endeavour to do good is aided
 Baruch Spinoza, Ethics (1677). copy citation

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Author Baruch Spinoza
Source Ethics
Topic aid good
Date 1677
Language English
Reference
Note Translated by R. H. M. Elwes
Weblink http://www.gutenberg.org/files/3800/3800-h/3800-h.htm

Context

“, in so far as it understands; therefore, it is in agreement with reason, &c. Q.E.D. Another Proof.—He, who lives under the guidance of reason, desires for others the good which he seeks for himself (IV. xxxvii.) ; wherefore from seeing someone doing good to his fellow his own endeavour to do good is aided; in other words, he will feel pleasure (III. xi. note) accompanied by the idea of the benefactor. Therefore he approves of him. Q.E.D. Note.—Indignation as we defined it (Def. of the Emotions, xx.)” source