A dark thought assailed him: How many of those jars contained lethal potions?

I have been here before, the further thought assailed me.

Bitter thoughts assailed him as soon as he was alone.

Terrifying thoughts assailed me, thoughts which were taking a definite shape.

Bitter thoughts assailed me as I lurched forward once more.

These thoughts assailed me as my power of concentration weakened.

The thoughts to which he had become accustomed in the past few years assailed him with alarming strength.

But dark thoughts assailed her, and she began to tremble.

When he turned his gaze elsewhere, strange thoughts assailed him.

A fleeting thought of how ridiculous he must look assailed him, but he quickly pushed it aside.