If the past has been an obstacle and a burden, knowledge of the past is the safest and the surest emancipation.

If the past has been an obstacle and a burden, knowledge of the past is the safest and the surest emancipation.

如果过去是一种障碍和负担，那么对过去的了解是最安全、最可靠的解脱。

-- John Emerich Edward Dalberg Acton 阿克顿