Internal Entropy
“Do not run hither and thither and distract yourself by changing your abode; for such restlessness is the sign of a disordered spirit.” -Seneca The Younger
Entropy
Heat & Time
“In the elementary equations of the universe, the arrow of time appears only where there is heat…The link between time and heat is therefore fundamental.. Only when there is heat can there be a distinction between past and future.” –Carlo Rovelli