Quote #2570
The gem cannot be polished without friction, nor man perfected without trials.
Quote #17027
Knowledge is like money the more he gets, the more he craves.
Quote #29138
Heavier-than-air flying machines are impossible.
Quote #24286
Common sense is that layer of prejudices which we acquire before we are sixteen.
Quote #689
Most human beings have an almost infinite capacity for taking things for granted.
Quote #25289
What a curious phenomenon it is that you can get men to die for...
Quote #33504
You’ve achieved success in your field when you don’t know whether what you’re doing...
Quote #1000
In all things it is a good idea to hang a question mark now...
Quote #33960
When we treat man as he is, we make him worse than he is...
Quote #12624
People want to know how much you care before they care how much you...