Human thought and behavior are part of nature and therefore can be studied by the methods of natural science.
人类的思想和行为是自然的一部分，因此可以通过自然科学的方法来研究。
The most effective debugging tool is still careful thought, coupled with judiciously placed print statements.
胆大是行动的开端，但命运决定了它的结局。
The eyes of others our prisons; their thoughts our cages.