Every mathematical problem has a solution, but not every solution is immediately apparent.
A tree is a symbol of hope—rooted in the present, reaching for the future.
The darkest nights produce the brightest stars.
Houston, Tranquility Base here. The Eagle has landed.
CRISPR didn't come from a vacuum—it's built on decades of basic research.
译文:不肯向优秀的人学习,这便是失败的原因了。
注意力是心灵以清晰生动的形式,从几个同时可能出现的对象或思绪中占据一个。