The loss of a sense adds as much beauty to the world as its acquisition.
Habit is a second nature which prevents us from knowing the first, of which it has neither the cruelties nor the enchantments.
We are at times too ready to believe that the present is the only possible state of things.
We live not alone but chained to a creature of a different kingdom: our body.
It is often hard to bear the tears that we ourselves have caused.
I do my intellectual work inside myself, and once I am with my fellow creatures it is more or less a matter of indifference to me whether or not they are intelligent as long as they are kind, sincere, etc.