If speculative ideas can not be tested, they're not science; they don't even rise to the level of being wrong. — Wolfgang Pauli Copy Share Image
My final remark to young women and men going into experimental science is that they should pay little attention to the speculative… — Anonymous Copy Share Image
It's OK to pursue speculative ideas because we don't want to be too cozy and safe and assume that we know everything… — David Grinspoon Copy Share Image
