But There Is Nothing In Biology Yet

Physics Is To Mathematics What Sex Is To Masturbation.

You Do Not Know Anything Until You Have Practiced.

If You Can't Explain Something To A First Year Student, Then You Haven't Really Understood .

'conservation' (the Conservation Law) Means This ... That There Is A Number, Which You Can Calculate, At One Moment-and As Nature Undergoes Its Multitude Of Changes, This Number Doesn't Change. That Is, If You Calculate Again, This Quantity, It'll Be The Same As It Was Before. An Example Is The Conservation Of Energy: There's A Quantity That You Can Calculate According To A Certain Rule, And It Comes Out The Same Answer After, No Matter What Happens, Happens.

We Cannot Define Anything Precisely. If We Attempt To, We Get Into The Paralysis Of Thought That Comes To Philosophers, Who Sit Opposite Each Other, One Saying To The Other, "you Don't Know What You Are Talking About!" The Second One Says, "what Do You Mean By Know? What Do You Mean By Talking? What Do You Mean By You?"