5th Doctor: "Well the TARDIS is more than a machine, Tegan. It's like a person-- it needs coaxing, persuading, encouraging." (The Five Doctors)

5th Doctor: "You mustn't give up!"
Sharaz Jek: "What was that?"
5th Doctor: "Celery. It's a powerful restorative where I come from. Unfortunately, the human olfactory system is comparatively feeble." (Caves of Androzani)

Cyber Leader: "Promises to aliens have no validity. When the tower is in our hands, he will be destroyed." (The Five Doctors)