As we know, there are known knowns; there are things we know we know. We also know there are known unknowns; that is to say we know there are some things we do not know. But there are also unknown unknowns – the ones we don't know we don't know. Donald Rumsfeld
It is very risky. But each time a child opens a book, he pushes open the gate that separates him from Elsewhere. Lois Lowry
It is better to have your head in the clouds, and know where you are... than to breathe the clearer atmosphere below them, and think that you are in paradise. Henry David Thoreau
As a single footstep will not make a path on the earth, so a single thought will not make a pathway in the mind. To make a deep physical path, we walk again and again. To make a deep mental path, we must think over and over the kind of thoughts we wish to dominate our lives. Henry David Thoreau
To the dull mind all nature is leaden. To the illumined mind the whole world burns and sparkles with light. Ralph Waldo Emerson
If liberty means anything at all, it means the right to tell people what they do not want to hear. George Orwell
If giving points is the only way to motivate a student to complete an assignment, perhaps we should look more closely at the assignment. Terry Heick
When you are genuinely interested in one thing, it will always lead to something else. Anna Eleanor Roosevelt
If someone betrays you once, it’s their fault; if they betray you twice, it’s your fault. Anna Eleanor Roosevelt
Most of the successful people I’ve known are the ones who do more listening than talking. Bernard M. Baruch