Poetry is the universal art of the spirit which has become free in itself and which is not tied down for its realization to external sensuous material; instead, it launches out exclusively in the inner space and the inner time of ideas and feelings. Georg Wilhelm Friedrich Hegel
Asleep vision (dreaming) is perception that is not tied down to anything in the real world; waking perception is something like dreaming with a little more commitment to what's in front of you. David Eagleman
It's a wonderful way to have a role on a series - you're not tied down totally and completely to a schedule. Lee Meriwether
Prudence is ... more than mere shrewdness. If not tied down to the noble and just ends that one has been habituated to love, the soul's native power of cleverness can lead to the utmost knavery. Leon Kass