The door of the cell will not open on its hinges, or, to be exact, will not yield along the line of least resistance, until the warm days return.

Then the late arrivals will leave their shelter and rejoin the more impatient, and both will be ready for work when the pea-vines are in flower.
To take a general view of the instincts in their inexhaustible variety is, for the observer, the great attraction of the entomological world; for nowhere do we gain a clearer sight of the wonderful way in which the processes of life are ordered.

Thus regarded entomology is not, I know, to the taste of everybody; the simple creature absorbed in the doings and habits of insects is held in low esteem.

To the terrible utilitarian, a bushel of peas preserved from the weevil is of more importance than a volume of observations which bring no immediate profit.
Yet who has told you, O man of little faith, that what is useless to-day will not be useful to-morrow?
If we learn the customs of insects or animals we shall understand better how to protect our goods.

Do not despise disinterested knowledge, or you may rue the day.