Alice was beginning to get very tired of sitting by her sister on the bank, and of having nothing to do:
There was nothing so very remarkable in that; nor did Alice think it so very much out of the way to hear the Rabbit say to itself, 'Oh dear! Oh dear! I shall be late!' (when she thought it over afterwards, it occurred to her that she ought to have wondered at this, but at the time it all seemed quite natural);
this, but at the time it all seemed quite natural); but
Note: happens to me all the time...