Quote #20204
Look abroad through Nature’s range, Nature’s mighty law is change.
Quote #17952
All proofs rest on premises.
Quote #30911
By learning you will teach, by teaching you will learn.
Quote #6401
The secret of success is constancy to purpose.
Quote #7406
Use what talents you possess: the woods would be very silent if no birds...
Quote #4686
There is no greater sorrowThan to be mindful of the happy timeIn misery.
Quote #25550
Irony is the hygiene of the mind.
Quote #11366
Biology has at least 50 more interesting years.
Quote #28630
Every mile is two in winter.
Quote #9351
One never knows what each day is going to bring. The important thing is...