1.
"Every
truth
has
two
sides;
it
is
as
well
to
look
at
both,
before
we
commit
ourselves
to
either. "
―
A
Study
in
Scarlet
by
Arthur
Conan
Doyle.
【#perspective】

2.
"The
best
way
of
successfully
acting
a
part
is
to
be
it. "
―
The
Adventure
of
the
Cardboard
Box
by
Arthur
Conan
Doyle.
【#authenticity】

3.
"I
have
frequently
gained
my
first
real
insight
into
the
character
of
parents
by
studying
their
children. "
―
A
Study
in
Scarlet
by
Arthur
Conan
Doyle.
【#parenting】

4.
"What
one
man
can
invent
another
can
discover. "
―
The
Adventure
of
the
Dancing
Men
by
Arthur
Conan
Doyle.
【#innovation】

5.
"There's
nothing
so
deceptive
as
an
obvious
fact. "
―
The
Bascombe
Valley
Mystery
by
Arthur
Conan
Doyle.
【#perception】

6.
"The
world
is
full
of
obvious
things
which
nobody
by
any
chance
observes. "
―
The
Hound
of
the
Baskervilles
by
Arthur
Conan
Doyle.
【#observation】

7.
"It
is
a
great
thing
to
start
life
with
a
small
number
of
really
good
books
which
are
your
very
own. "
―
A
Study
in
Scarlet
by
Arthur
Conan
Doyle.
【#books】

8.
"What
you
do
in
this
world
is
a
matter
of
no
consequence.
The
question
is,
what
can
you
make
people
believe
that
you
have
done?"
―
A
Study
in
Scarlet
by
Arthur
Conan
Doyle.
【#perception】

9.
"There
is
nothing
more
deceptive
than
an
obvious
fact. "
―
The
Boscombe
Valley
Mystery
by
Arthur
Conan
Doyle.
【#deception】

10.
"There
is
nothing
more
to
be
said
or
to
be
done
tonight,
so
hand
me
over
my
violin
and
let
us
try
to
forget
for
half
an
hour
the
miserable
weather
and
the
still
more
miserable
ways
of
our
fellowmen. "
―
The
Five
Orange
Pips
by
Arthur
Conan
Doyle.
【#music】

11.
"It
is
a
capital
mistake
to
theorize
before
one
has
data. "
―
A
Study
in
Scarlet
by
Arthur
Conan
Doyle.
【#data】

1
2.
"Mediocrity
knows
nothing
higher
than
itself,
but
talent
instantly
recognizes
genius. "
―
The
Valley
of
Fear
by
Arthur
Conan
Doyle.
【#talent】

1
3.
"The
game
is
afoot. "
―
The
Adventure
of
Abbey
Grange
by
Arthur
Conan
Doyle.
【#determination】

1
4.
"The
world
is
full
of
obvious
things
which
nobody
by
any
chance
observes. "
―
The
Hound
of
the
Baskervilles
by
Arthur
Conan
Doyle.
【#observation】

1
5.
"There
are
always
some
lunatics
about.
It's
not
so
difficult
to
recognize
them
if
one
has
enough
imagination. "
―
The
Adventure
of
the
Blue
Carbuncle
by
Arthur
Conan
Doyle.
【#imagination】

1
6.
"There
are
certain
things
that
are
damnably
hard
to
explain
to
people
who
are
of
a
different
generation,
and
these
people
in
the
force
belong
to
that
category. "
―
The
Valley
of
Fear
by
Arthur
Conan
Doyle.
【#generation】

1
7.
"It
is
a
mistake
to
confound
strangeness
with
mystery. "
―
The
Naval
Treaty
by
Arthur
Conan
Doyle.
【#mystery】

1
8.
"Holmes,
who
loathed
every
form
of
society
with
his
whole
Bohemian
soul,
remained
in
our
lodgings
in
Baker
Street,
buried
among
his
old
books,
and
alternating
from
week
to
week
between
cocaine
and
ambition,
the
drowsiness
of
the
drug
and
the
fierce
energy
of
his
own
keen
nature. "
―
A
Scandal
in
Bohemia
by
Arthur
Conan
Doyle.
【#addiction】

1
9.
"Data!
Data!
Data!
I
can't
make
bricks
without
clay!"
―
The
Adventure
of
the
Copper
Beeches
by
Arthur
Conan
Doyle.
【#data】

20.
"The
game
is
afoot. "
―
The
Adventure
of
Abbey
Grange
by
Arthur
Conan
Doyle.
【#determination】