I know that I am intelligent, because I know that I know nothing.

Those who educate children well are more to be honored than they who produce them; for these only gave them life, those the art of living well.

I don't know if you ever really feel like you've made it.

Let us permit nature to have her way. She understands her business better than we do.

We shall see but a little way if we require to understand what we see.