From a letter to his sister, 1968:
Gie argues that the greatest tragedy is not failure, but the loss of the ability to care. He writes about the necessity of retaining a "pure heart" (hati murni) amidst the mud of politics. He posits that true heroism is found in the repetitive, often unglamorous act of choosing integrity over convenience, "once again," day after day. Soe Hok Gie Sekali Lagi.pdf