And some men are as ignorant of what they do when awake as they are forgetful of what they do when asleep.
The only constant is change.
Nature is accustomed to hide itself.
Abundance of knowledge does not teach men to be wise.
It is wise to agree that all things are one.
If you do not hope, you will not win that which is not hoped for, since it is unattainable and inaccessible.