只有不断学习，才能不断进步。
统一自然界所有力的挑战是几十年来推动理论物理学发展的动力之一。
The development of learning algorithms that can handle high-dimensional data is a major challenge in the field.
La memoria es un animal extraño: muerde cuando menos lo esperas.
I would advise young artists to paint as they can, as long as they can, without being afraid of painting badly.