外部条件影响下生命形式的发展是一个极其重要的课题。
The development of the vital forms under the influence of external conditions is a subject of the highest importance.
In the realm of mathematics, every problem is an opportunity to discover something new and profound.
The challenges of today's coal industry require bold leadership and vision.
Gratitude will unlock all other virtues and is something you can get better at.
The secret of change is to focus all your energy not on fighting the old, but on building the new.
最好的艺术来自痛苦。