(looks like a Cliffnotes sign above -_-)
"The ways by which you may get money almost without exception lead downward."
-Thoreau "What Shall It Profit"
"The community has no bribe that will tempt a wise man.
-Thoreau "What Shall It Profit"
"The road to hell is paved with good intentions." (Don't do good. Be Good)
"Sapre aude!" To be wise, be bold
"I had supposed that intellectuals frequently loved truth, but I found here again that not ten percent of them prefer truth to popularity."
- Bertrand Russel
"Very few things happen at the right time, and the rest do not happen at all. The conscientious historians will correct these defects."
- Herodotus (Father of history)