Truth is not what is demonstrable but what is ineluctable.
真理不是可证明的,而是不可避免的。
Liberty is the only thing worth fighting for.
当我在舞台上时,我感觉就像在家里一样。
I never guess. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories, instead of theories to suit facts.