He who can bear with your ignorance has found a true friend.

The plastic industry must evolve or become obsolete—sustainability is no longer optional.

你活着，你学习。你爱着，你学习。你哭泣，你学习。你失去，你学习。你流血，你学习。你尖叫，你学习。

心理活动的目的是引导行为。

数学的美只向更有耐心的追随者展示。