Laughter is involuntary. If it's funny you laugh.
Wonder is involuntary praise.
Most real relationships are involuntary.
For me chivalry isn't dead; it's an involuntary reflex.
All beginnings are involuntary.
Liking an author may be as involuntary and improbable as falling in love.
Detestation of the high is the involuntary homage of the low.
All emotion is involuntary when genuine.
Virtue is voluntary, vice involuntary.
Belief is involuntary; nothing involuntary is meritorious or reprehensible. A man ought not to be considered worse or better for his belief.