The master proves himselin recognizing his limitations.

The force of a language does not consist of rejecting what is foreign but of swallowing it.

Oh how sweet it is to hear one's own convictions from another's lips.

In praising or loving a child, we love and praise not that which is, but that which we hope for.

To act is easy; to think is hard.

Truth must be repeated again and again, because error is constantly being preached round about.

A plant is like a self-willed man, out of whom we can obtain all which we desire, if we will only treat him his own way.