Verb
interact in a certain way
Source: WordNetHuman freedom is realised in the adoption of humanity as an end in itself, for the one thing that no-one can be compelled to do by another is to adopt a particular end. - 'Metaphysical Principles of Virtue. Immanuel Kant
Man's capacities have never been measured nor are we to judge of what he can do by any precedent, so little has been tried. Henry David Thoreau
It's interesting when you read the life of Christ how much of his time he spent healing the sick. There must have been a reason for that - he was modelling for us what it is we are intended to do by following his path. Francis Collins
He was a genius - that is to say, a man who does superlatively and without obvious effort something that most people cannot do by the uttermost exertion of their abilities. Robertson Davies
Our ancestors in the ages that are gone really believed that by force you could convince a man. You cannot change the conclusion of the brain by force, but I will tell you what you can do by force, and what you have done by force. You can make hypocrites by the million. Robert G. Ingersoll
Expect not at another's hand what you can do by your own. Spanish Proverb