原文中文
培养独立思考能力的关键在于锻炼联想能力。通过积累丰富的知识并保持思维开阔，在思考问题时应具备天马行空的勇气，不被任何有形或无形的条条框框所束缚。例如，在解决数学题时，不仅要掌握单一方法，更要学会举一反三，将该方法应用于所有同类问题中。
The key to developing independent thinking lies in honing one's ability to make associations.
培养独立思考的关键在于提升建立联系的能力。
该句使用主语加谓语结构，表达关键因素时采用lies in这一固定表达，语言简洁自然。
The key to developing independent thinking lies in honing one's ability to make associations. By acquiring a wealth of knowledge and maintaining an open mind, one should have the courage to think outside the box and avoid being constrained by visible or invisible boundaries. For instance, when solving a mathematical problem, one should not merely focus on that specific case but instead learn to apply the method to all similar problems.
培养独立思考能力的关键在于锻炼联想能力。通过积累丰富的知识并保持思维开阔，在思考问题时应具备天马行空的勇气，不被任何有形或无形的条条框框所束缚。例如，在解决数学题时，不仅要掌握单一方法，更要学会举一反三，将该方法应用于所有同类问题中。
"Try to learn independent thinking; it will grant you calm heart"
"I may not fully agree with rebellion, but blind obedience is certainly not an art."
"Blindly following others is the tragedy of sheep."
"The key to developing this ability lies in cultivating independent thought"
"Keep others' advice in your mind, but keep your own convictions in your heart."