实现明天理想的唯一障碍是今天的疑虑。
The greatest glory in living lies not in never falling, but in rising every time we fall.
The teacher is not in school to impose certain ideas or to form certain habits in the child, but is there as a member of the community to select the influences which shall affect the child and to assist him in properly responding to those influences.
Technological innovation requires long-term accumulation and cannot be rushed for quick success, this is especially true for agricultural research.