Difference between Therefore and Thence

Therefore

Part of speech: adverb

Definition: For that or this purpose, referring to something previously stated. Consequently, by or in consequence of that or this cause; referring to something previously stated.

Example sentence: I feel like people are expecting me to fail; therefore, I expect myself to win.

Thence

Part of speech: adverb

Definition: From there. (I came thence.)Deriving from this or as a result of this.