To be adult is to be alone.
Certain brief sentences are peerless in their ability to give one the feeling that nothing remains to be said.
A body of work such as Pasteur's is inconceivable in our time: no man would be given a chance to create a whole science. Nowadays a path is scarcely opened up when the crowd begins to pour in.
Science has made us gods even before we are worthy of being men.
It takes a very deep-rooted opinion to survive unexpressed.
There are big and little truths, but all belong to the same race.