EfficiencyHealthIntentional livingIrreplaceable valueKnowledgeLife philosophyPersonal developmentPrioritiesproductivityResource managementSamuel SmilesSelf-helpTimeTime managementWealth์๋ฎค์ผ ์ค๋ง์ผ์ค์์ฐ์ฑ์ฐ์ ์์์ฌ์ฐํจ์จ์ฑ 14 Mar 2025 Lost wealth may be replaced by industry, lost knowledge by study, lost health by temperance or medicine, but lost time is gone forever. - Samuel Smiles. [์๋ฎค์ผ ์ค๋ง์ผ์ค] "Lost wealth may be replaced by industry, lost knowledge by study, lost health by temperance o…