止境

yǒng wú zhǐ jìng

永无止境

be limitless

kē xué fā zhǎn méi yǒu zhǐ jìng

科学发展没有止境。

There is no limit to the development of science.

shí jiàn méi yǒu zhǐ jìng chuàng xīn yě bù huì yǒu zhǐ jìng

实践没有止境，创新也不会有止境。

There is no limit to practice nor to innovation.

hái zi men de qiú zhī yù shì wú zhǐ jìng de

孩子们的求知欲是无止境的。

There is no end to what the children want to know.