He is a man of apparently boundless optimism.

他显然是一个极度乐观的人。

The masses have boundless creative power.

群众有无限的创造力。

I admire her boundless energy.

她完的精力令我羨慕。

An individual is only a tiny grain in the vast sea;it is the masses of people that are the boundless ocean.

个人只是沧海的一粟,人民群众才是无垠的大海。

The notion advocated by Buddhism, boundless compassion and uncontainable pity, is the best method to set up a harmonious relation between persons.

如果我们对包括自身在内的一切生命个体都保持平等和爱恋，无缘大慈，同体大悲，么，世界将会变得更加美好。