意识的元素要以纯粹形式研究。
The elements of consciousness are to be studied in their pure form.
The strongest is never strong enough to be always the master unless he transforms strength into right and obedience into duty.
粮食问题不仅是经济问题，更是政治问题，关系到国家的长治久安。
The climate crisis is the greatest challenge agriculture has ever faced—and our greatest opportunity.
The mind is a complex of interacting elements.
I'm not afraid of storms, for I'm learning how to sail my ship.