You can lead a horse to water,

You can lead a horse to water, but if you can get him to float on his back
you've got something.

Related:

• You can lead a horse to water, but if you can get him to float on his back,
  you've got something...
• Hartley's First Law You can lead a horse to water,
  but if you can get him to float on his back you've...
• You can lead a horse to water, but if you can get him to float on his back,
  you've got something. -- Hartley's First...
• Hartley's First Law: You can lead a horse to water,
  but if you can get him to float on his back...
• Hartley's First Law: You can lead a horse to water,
  but if you can get him to float on his back, you've...
• Hartley's First Law: You can lead a horse to water,
  but if you can get him to float on his back, you've...
• Hartley's First Law: You can lead a horse to water,
  but if you can get him to float on his back...
• Hartley's First Law: You can lead a horse to water,
  but if you can get him to float on his back, you've...
• You can lead a horse to water,
  but you can't make him drink...