Armageddon was imminent, the General was sure, but in the shuddering chaos and falling masonry of Gallifrey's last surviving war room he tried not to let it show in his face.

[...]

'Listen to me, please, listen!' The General was now shouting at all four faces on the screens. 'Do you understand what translating an entire planet into another dimension will do—the havoc it will cause? The poles could switch. There will be earthquakes, tidal waves. We could lose half the population. We could lose everyone!'
'I'm aware of the dangers,' said Neckwear. 'I'll get to it later.'

[...]

'There is no later,' snapped the General.
'Then how about now?' I suggested.
Both men turned. It was the first time they'd noticed I was in the room and they stared at me aghast. It might have been my eyebrows, they often had that impact.
'Doctor?' said Androgar, while the General just mumbled something about 'Five of them.'
'Sir, you can't be here,' continued Androgar.