Wickedness is always easier than virtue; for it takes the short cut to everything.
Change is not made without inconvenience.
Prepare for death, if here at night you roam, and sign your will before you sup from home.
All theory is against free will; all experience is for it.
The true art of memory is the art of attention.
Much is due to those who first broke the way to knowledge, and left only to their successors the task of smoothing it.