This amazing fertility was in some respects a detriment, for it led him into too many projects, and made him careless whom he enriched, while his dislike of the mechanism of his work made profit for others at his expense.

The fertility of the earth is its perfect finishing; growth of all kinds of plants, the up-springing of tall trees, both productive and unfruitful, flowers' sweet scents and fair colors, and all that which, a little later, at the voice of God came forth from the earth to beautify her, their universal mother.

His fertility in the most unexpected analogies becomes to the reader of his works a matter of continual wonder.

It is well known that the extremes of the race are less fertile than the means; and since fertility is the chief factor in fixing the type, in the absence of selection and repression, the race appears doomed to remain at the dead level of mediocrity.

The fertility of his process for medical purposes, as well as the bad consequences it might procure in a moral point of view, soon became topics of common conversation, and ultimately even excited the apprehensions of government.

The fertility of the soil is the despair of scientific farming.