问则疑，疑则思是一种值得推崇的思考方式。它强调了在学习和探索问题时，应该始终保持怀疑和审慎的态度。只有当我们开始质疑并思考问题时，才能真正理解它们的本质和意义。

在我们的日常生活中，问则疑，疑则思的原则可以应用于各种情境。例如，在学习新知识时，我们应该不断地提出问题并探究答案。这可以帮助我们更深入地理解学习的内容，并帮助我们发现可能存在的问题和疑虑。

另一方面，问则疑，疑则思也适用于我们的思考方式。我们应该始终保持怀疑和审慎的态度，不轻易接受别人的观点和看法。通过质疑和思考，我们可以更好地理解问题，并形成自己的观点和看法。

总之，问则疑，疑则思是一种重要的思考方式，可以帮助我们更好地理解问题和现实世界。只有当我们始终保持怀疑和审慎的态度时，才能真正探索和理解事物的本质。

In English:

Questioning leads to doubt, and doubt leads to thought, which is a commendable way of thinking. It emphasizes the importance of maintaining a skeptical and cautious attitude when learning and exploring problems. Only when we begin to question and think about problems can we truly understand their essence and significance.

In our daily lives, the principle of questioning leads to doubt, and doubt leads to thought can be applied to various contexts. For example, when learning new knowledge, we should constantly ask questions and explore answers. This can help us better understand the content of learning and help us discover possible problems and doubts.

On the other hand, questioning leads to doubt, and doubt leads to thought also applies to our way of thinking. We should always maintain a skeptical and cautious attitude and not easily accept other people's views and opinions. Through questioning and thinking, we can better understand the problem and form our own views and opinions.

In summary, questioning leads to doubt, and doubt leads to thought is an important way of thinking that can help us better understand problems and the real world. Only when we maintain a skeptical and cautious attitude can we truly explore and understand the essence of things.