As muddy water is best cleared by leaving it alone, it could be argued that those who sit quietly and do nothing are making one of the best possible contributions to a world in turmoil.
All you have to do is say "yes." Don't make some big project out of it. Don't make some big deal out of it. Just say "yes." You don't even know what it means to say "yes," but you say it anyway. You'll never know what it means to say "yes," but you do it anyway. Freedom and Love arise when you die into the unknown mystery of being.
Science has gone a long way toward helping man to free himself from the burden of hard labor; yet, science itself is not a liberator. It creates means, not goals. It is up to men to utilize those means to achieve reasonable goals.