I do not think that any German would capitalize “donate” and neither is it typical to capitalize “I”, “we”, “you”, “they” in that context. So I would say that it is just to emphasize.
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Archimedes will be remembered when Aeschylus is forgotten, because languages die and mathematical ideas do not. "Immortality" may be a silly word, but probably a mathematician has the best chance of whatever it may mean.
(Hardy)