古来

duì yú zhè xiē nán tí gǔ lái duō shǎo sī xiǎng jiā dōu zài tǎo lùn jiù lián xiàn dài xīn rú jiā zhū xián yì jié jìn xīn lì

对于这些难题，古来多少思想家都在讨论，就连现代新儒家诸贤亦竭尽心力。

Many ancient thinkers tried to expound these, even modern Confucianists are exhausting their efforts to give answers to them.