数学不是观赏性运动,你必须参与其中才能理解。
Escribir es como desnudar el alma frente al espejo, sin miedo al reflejo que devuelve.
All oppression creates a state of war.
The most important thing in investing is to be in the right market at the right time.
Social progress requires the organic combination of individual freedom and social responsibility.
团队的力量在于思想的多样性和目标的统一性。