Who said "The bosom friend often proves the traitor."?

This quote is attributed to Alfred, Lord Tennyson.

The bosom friend often proves the traitor. - Alfred, Lord Tennyson

"The bosom friend often proves the traitor."

Alfred, Lord Tennyson

Poet English 1809–1892

"Theirs not to reason why, theirs but to do and die"

"It is better to have loved and lost than never to have loved at all"

"The old order changeth, yielding place to new"

"Knowledge comes, but wisdom lingers"