It is futile to demand an a priori proof of the existence of objects which are not immediately ‘given’.
要求对并非直接被给予的对象提供先天证明,是徒劳的。
释义:喜欢指责别人的人,难以维持长久的友谊;常常宽恕自己的人,不容易改正错误。
Every tree we plant today is a legacy for tomorrow.