Danh ngôn của Heraclitus (Sứ mệnh: 8)

No man ever steps in the same river twice, for it's not the same river and he's not the same man.
Good character is not formed in a week or a month. It is created little by little, day by day. Protracted and patient effort is needed to develop good character.
Our envy always lasts longer than the happiness of those we envy.
Much learning does not teach understanding.
The chain of wedlock is so heavy that it takes two to carry it - and sometimes three.
Nothing endures but change.
The sun is new each day.
You cannot step into the same river twice.
Nature is wont to hide herself.
Change alone is unchanging.
There is nothing permanent except change.
To God everything is beautiful, good, and just; humans, however, think some things are unjust and others just.
The best people renounce all for one goal, the eternal fame of mortals; but most people stuff themselves like cattle.
Men who wish to know about the world must learn about it in its particular details.
God is day and night, winter and summer, war and peace, surfeit and hunger.