Related:

• I can give you a sentence with the word horticulture.
  You can lead a horticulture but you can't make her think. -- Dorothy Parke...
• You can lead a whore to Vasser, but you can't make her think. -- Frederick B. Artz
• You can lead a man to ponder; you cannot make him think.
• You can lead a man to slaughter, but you can't make him think.
• You can lead a car to a highway, but you can't make it think.
• You can lead a boy to college but you can't make him think. -- Elbert Hubbard
• You can lead a horse to drink, but you can't make it water!
• You can lead a user to Docs but you can't make 'em read