121. Powers framed in general terms.

Even if framed in general terms, powers are limited by the nature of the limitations contained in the instrument, so that, when absolute interests come into existence by reason of the expiration or cesser of those limitations, the power is usually considered to be at an end1. This affords a guarantee against remoteness in such cases. This principle has no application, however, where the power is to take effect on the coming into existence of the absolute interests