Without some bold speculation, it is generally impossible to make progress in knowledge. Gauss
The hardest part is actually in the beginning Spencer
If your tool is just a hammer, you may think that all problems are nails. Masler
Steps are not designed for rest, just for people to step on and make the other foot higher. -Huxley
The poor craftsman complained about his tools. -Gary
Never give up on yourself. Let's start walking. As long as we walk, the power will naturally come into being. -Fabers
Imagination without discrimination is the most terrible thing in the world. -Gold
People should live independently and learn useful skills. -Kay
A man who loves practice rather than science is like a sailor entering a ship without a rudder and compass. He never knew where he was going. -Leonardo da Vinci
Good methods can make us give full play to our talents, while poor methods may hinder them. bernard
People always say that a person who comes up with a new method is whimsical before he comes up with his method. -Mark Twain
Doing things too fast is one of the greatest dangers. bacon
Asking the right questions often means solving most of them. Heisenberg
Hypothesis always precedes knowledge. Humboldt
Think about whether you can come out before you go in. -Arabic proverb