Rearranging the letters of 'Aristotle' (Philosopher) gives:
O, sit alert.
(by Mike J H Ryan by hand) (2004)
I rest a lot!
(by Mike J H Ryan by hand) (2004)
Lo! Artiste!
(by Mike J H Ryan by hand) (2004)
O, I startle!
(by Mike J H Ryan by hand) (2004)
To realist?
(by Mike Mesterton-Gibbons by hand) (2002)
Totaliser.
(by Joe Fathallah) (2002)
Tries a lot.
(by Mike Mesterton-Gibbons by hand) (2002)
A tit loser.
(by Dave Barry?)
Total Rise.
(by Justine Clark by hand) (2012) (pending approval)
Tail Store.
(by Justine Clark by hand) (2012) (pending approval)
Stale Roti.
(by Justine Clark by hand) (2012) (pending approval)
Toil't arse.
(by Stanley Accrington by hand) (2007) (pending approval)
Riots late.
(by Stanley Accrington by hand) (2007) (pending approval)
Other related anagrams without their own page:
"Love is composed of a single soul inhabiting two bodies. [Aristotle]" -> "But wife is spiritless, emotionless obligation... good vocal, no head." (by Aronas Pinchas) (2011) (pending approval)
"Socrates" -> "Coarsest?" (by Mike Mesterton-Gibbons by hand) (2002)
"Socrates" -> "A. C. Tosser." (by Stanley Accrington by hand) (2007) (pending approval)
"Socrates" -> "A cess rot." (by Stanley Accrington by hand) (2007) (pending approval)
"Socrates" -> "To caress?" (by Stanley Accrington by hand) (2007) (pending approval)
"Socrates" -> "Sot cares." (by Stanley Accrington by hand) (2007) (pending approval)
"Abraham Noam Chomsky" -> "Hmmm! Anarchy as a book." (by George Korfiatis using Anagram Genius) (2016) (pending approval)