Quote #8179
Our critics are our friends; they show us our faults.
Quote #16227
Except our own thoughts, there is nothing absolutely in our power.
Quote #17397
All theory, dear friend, is gray, but the golden tree of life springs ever...
Quote #25464
Habits…the only reason they persist is that they are offering some satisfaction…You allow them...
Quote #31896
What we do today, right now, will have an accumulated effect on all our...
Quote #20361
Is fuel efficiency really what we need most desperatelly I say that what we...
Quote #702
A new scientific truth does not triumph by convincing its opponents and making them...
Quote #5419
Your most unhappy customers are your greatest source of learning.
Quote #17514
The superior man…does not set his mind either for anything, or against anything what...
Quote #5550
The work an unknown good man has done is like a vein of water...