Every man, when he comes to be sensible of his natural rights, and to feel his own importance, will consider himself as fully equal to any other person whatever

Every man, when he comes to be sensible of his natural rights, and to feel his own importance, will consider himself as fully equal to any other person whatever

It is no use speaking in soft, gentle tones if everyone else is shouting.

I have procured air [oxygen] ... between five and six times as good as the best common air that I have ever met with.

To me there is in happiness an element of self-forgetfulness. You lose yourself in something outside yourself when you are happy; just as when you are desperately miserable you are intensely conscious of yourself, are a solid little lump of ego weighing a ton.

In completing one discovery we never fail to get an imperfect knowledge of others of which we could have no idea before, so that we cannot solve one doubt without creating several new ones.

The greater part of critics are parasites, who, if nothing had been written, would find nothing to write.