If you're going through hell, keep going.
By failing to prepare, you are preparing to fail.
To know oneself, one should assert oneself.
If you can dream it, you can do it.
If you think you can do it, you can.
The wise does at once what the fool does at last.
Be gentle to all and stern with yourself.
Things do not happen. Things are made to happen.
The dog that trots about finds a bone.
After a storm comes a calm.
The learner always begins by finding fault, but the scholar sees the positive merit in everything.
Mere goodness can achieve little against the power of nature.
Truth in philosophy means that concept and external reality correspond.