The Heart Of Man Is

It Is Better To Be High-spirited Even Though One Makes More Mistakes, Than To Be Narrow-minded And All Too Prudent.

I Will Not Live Without Love.

For The Great Doesn't Happen Through Impulse Alone, And Is A Succession Of Little Things That Are Brought Together.

One Can Never Study Nature Too Much And Too Hard

For Me Work Is An Absolute Necessity, Indeed I Can't Really Drag It Out, I Take No More Pleasure In Anything Than In Work, That's To Say, Pleasure In Other Things Stops Immediately And I Become Melancholy If I Can't Get On With The Work.