The past is a shadow that follows us, but it is our choice whether to let it define us or to step into the light.
过去是一个跟随我们的影子，但选择让它定义我们还是走向光明，是我们的选择。
The present state of the system of nature is evidently a consequence of what it was in the preceding moment, and if we conceive of an intelligence which at a given instant comprehends all the relations of the entities of this universe, it could state the respective positions, motions, and general effects of all these entities at any time in the past or future.
A penny earned is a penny saved.
I am persuaded that the principle of uniformity in manufacturing is the foundation of success.