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司马牛问君子。孔子说:“君子不忧不惧。”问:“不忧不惧,就能叫做君子吗?”孔子说:“问心无愧,何来忧惧?”
世界上最好和最美的东西是看不见甚至摸不着的——它们必须用心去感受。
The essence of science lies in its relentless pursuit of truth through observation, experimentation, and reasoning.
When we strive to become better than we are, everything around us becomes better, too.