The biologist passes. The frog stays the same.

The biologist passes. The frog stays the same.

Far too often the choices reality proposes are such as to take away one's taste for choosing.

To love an idea is to love it a little more than one should.

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.

What scientist would not long to go on living, if only to see how the little truths he has brought to light will grow up?

It is not easy to imagine how little interested a scientist usually is in the work of any other, with the possible exception of the teacher who backs him or the student who honors him.