“Our essence is change. We are movement. Being out of balance is life. Perfect balance. Stasis. That is death. Life yearns for perfection. Death is perfection.”

“Leela: Why are we listening to them? It is a waste of time.The Doctor; It is difficult to know what will be a waste of time until after the time has been wasted, by which time it is too late. So predicting what will be a waste of time is something of a waste of time. Unless it gives you pleasure of course when it probably doesn't count as a waste of time.Leela (yawning): I am sorry I did not hear what you said, Doctor.The Doctor (smiling): That was a waste of time then.”

“Fourth Doctor: You know, the very powerful and the very stupid have one thing in common: they don't alter their views to fit the facts; they alter the facts to fit their views.”

“The concept of life and perfection is incompatible. BUT so is death and perfection”

“And in this constancy, in this complete indifference to the life and death of each of us, there lies hid, perhaps, a pledge of our eternal salvation, of the unceasing movement of life upon earth, of unceasing progress towards perfection.”

“Imagine a great net spread across the universe. Each juncture is a “being,” and if we imagine that consciousness as a drop of dew, we can see that in each shining drop resides the reflection of every other drop on the net.”

“The future is manifest in our childrens' imagination and perfected in the games they play.”