Nature observes a suitable time for all its operations.
大自然为所有活动都观察了合适的时间。
The major problems in biology are not solved by new techniques, but by new ideas.
大凡在各种事业上取得成功的人,一定是非常敬业,把事情认真对待的;那些失败的,一定是因为轻慢了。