Heraclitus believed that there must be a kind of " universal reason" guiding everything that happens in nature.

但世上一定有一种“普遍的理性”指导大自然所发生的每一件事。

This " universal reason" or " universal law" is something common to us all, and something that everybody is guided by.

“普遍的理性”或“普遍法则”是所有人都具备，而且以之做为行事准则的。

Researchers are still investigating the possible explanations for this limit, and there may not be one universal reason why trees stop growing.

研究人员还在试图解释这些极限的原因，树木停止长高也许不会有统一的原因。

And because this natural law was based on timeless human and universal reason, it did not alter with time and place.

因为这条自然法则基于永恒的人类和普遍理性， 所以它不会随着时间和地点而改变。

Although we humans do not always think alike or have the same degree of reason, Heraclitus believed that there must be a kind of " universal reason" guiding everything that happens in nature.

虽然我们人类并不总是有相同的想法或具有相同程度的理性，但赫拉克利特认为， 一定有一种“普遍的理性” 指导着自然界中发生的一切事情。