Marxists are not fortune-tellers. They should,and indeed can,only indicate the general direction of future developments and changes; they should not and cannot fix the day and the hour in a mechanistic way.

• 马克思主义者不是算命先生，未来的发展和变化，只应该也只能说出个大的方向，不应该也不可能机械地规定时日。