Quote #33918
All theory, dear friend, is gray, but the golden tree of life springs ever...
Quote #1504
Whatever is reasonable is true, and whatever is true is reasonable.
Quote #17190
I cannot teach anybody anything, I can only make them think.
Quote #31554
That’s the secret to life… replace one worry with another….
Quote #25350
In necessary things, unity in doubtful things, liberty in all things, charity.
Quote #8850
To be idle is a short road to death and to be diligent is...
Quote #30922
He fishes well who uses a golden hook.
Quote #24028
If you are rich, you speak the truth if you are poor, your words...
Quote #11746
A scientific man ought to have no wishes, no affections, — a mere heart...
Quote #15835
Live truth instead of professing it.